Guide to Star Trek for beginners (in 300 episodes)

by enchantmentofeternity | created - 17 Sep 2017 | updated - 30 Oct 2017 | Public

Getting into Star Trek may seem like a daunting task with 6 TV series, with a total of 725 episodes, plus 13 movies, making for a grand total of 546 hours of Star Trek.

So I put together this guide on which episodes to watch, and which one to skip in order to get the full Star Trek experience without all of the fluff. Because as great as Star Trek is, not every single hour of it is pure brilliance and watching it in its entirety can be a bit tedious at times. So this list is designed to jump straight into the heart of the matter focusing only on the episodes that you need to see in order to understand the over all plot of Star Trek, and those episodes that are generally considered to be of high quality.

This list focuses more on the Next Generation and later installments of the Star Trek franchise rather than the 1960's series, as its created more for the modern audience, and I've personally always been more attracted to 90's era Trek, so this list does speed through the original series rather quickly to get more to the later spin offs

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1. Star Trek: The Original Series (1966–1969)
Episode: The Menagerie: Part I (1966)

TV-PG | 50 min | Action, Adventure, Sci-Fi

Spock kidnaps the crippled Capt. Pike, hijacks the Enterprise and then surrenders for court martial.

Directors: Marc Daniels, Robert Butler | Stars: William Shatner, Leonard Nimoy, Jeffrey Hunter, Susan Oliver

Votes: 2,829

This isn't the first episode of Star Trek, but the actual first episode "Where No Man has Gone Before" I actually feel isn't as great as a starting point for Star Trek than this two parter which takes clips from the very first Star Trek episode ever made, the original failed pilot the Cage, while introducing you to the great Kirk, Spock, and McCoy dynamic which will be at the heart of the show, while at the same time having a fan favorite episode that is more exciting and enticing to draw you in so a better way to start the Star Trek experience

2. Star Trek: The Original Series (1966–1969)
Episode: The Menagerie: Part II (1966)

TV-PG | 50 min | Action, Adventure, Sci-Fi

At Spock's court martial, he explains himself with mysterious footage about when Capt. Pike was kidnapped by powerful illusion casting aliens.

Directors: Robert Butler, Marc Daniels | Stars: William Shatner, Leonard Nimoy, Jeffrey Hunter, Susan Oliver

Votes: 2,731

This isn't the first episode of Star Trek, but the actual first episode "Where No Man has Gone Before" I actually feel isn't as great as a starting point for Star Trek than this two parter which takes clips from the very first Star Trek episode ever made, the original failed pilot the Cage, while introducing you to the great Kirk, Spock, and McCoy dynamic which will be at the heart of the show, while at the same time having a fan favorite episode that is more exciting and enticing to draw you in so a better way to start the Star Trek experience

3. Star Trek: The Original Series (1966–1969)
Episode: The Naked Time (1966)

TV-PG | 50 min | Action, Adventure, Sci-Fi

The crew is infected with a mysterious disease that removes people's emotional inhibitions to a dangerous degree.

Director: Marc Daniels | Stars: William Shatner, Leonard Nimoy, Stewart Moss, Majel Barrett

Votes: 3,057

A fan favorite fun episode that's a entertaining watch and helps establish the crew dynamic

4. Star Trek: The Original Series (1966–1969)
Episode: Mudd's Women (1966)

TV-PG | 50 min | Action, Adventure, Sci-Fi

The Enterprise picks up untrustworthy entrepreneur Harry Mudd accompanied by three beautiful women who immediately put a spell on all the male crew members.

Director: Harvey Hart | Stars: William Shatner, Leonard Nimoy, Roger C. Carmel, Karen Steele

Votes: 2,863

I personally don't care for this episode, but it is a fan favorite that introduces the character of Harry Mudd who is set to return in Star Trek: Discovery

5. Star Trek: The Original Series (1966–1969)
Episode: Balance of Terror (1966)

TV-PG | 50 min | Action, Adventure, Sci-Fi

The Enterprise must decide on its response when a Romulan ship makes a destructively hostile armed probe of Federation territory.

Director: Vincent McEveety | Stars: William Shatner, Leonard Nimoy, Mark Lenard, Paul Comi

Votes: 3,324

A classic fan favorite, that's an intense battle scene that set the stage for most battle sequences in the rest of Star Trek, and it introduces the reoccurring alien race of the Romulans

6. Star Trek: The Original Series (1966–1969)
Episode: Arena (1967)

TV-PG | 50 min | Action, Adventure, Sci-Fi

For bringing hostility into their solar system, a superior alien race brings Captain Kirk in mortal combat against the reptilian captain of an alien ship he was pursuing.

Director: Joseph Pevney | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, George Takei

Votes: 2,658

A classic, fan favorite of Kirk in a hand to hand fight to the death with a lizard alien

7. Star Trek: The Original Series (1966–1969)
Episode: Space Seed (1967)

TV-PG | 50 min | Action, Adventure, Sci-Fi

While on patrol in deep space, Captain Kirk and his crew find and revive a genetically engineered world conqueror and his compatriots from Earth's 20th century.

Director: Marc Daniels | Stars: William Shatner, Leonard Nimoy, Ricardo Montalban, Madlyn Rhue

Votes: 3,255

A fan favorite, I personally think this episode is overrated and just okay, but it introduces the character of Khan who returns for the most beloved Star Trek film.

8. Star Trek: The Original Series (1966–1969)
Episode: Errand of Mercy (1967)

TV-PG | 50 min | Action, Adventure, Sci-Fi

With a war with Klingons raging, Kirk and Spock attempt to resist an occupation of a planet with incomprehensibly placid natives.

Director: John Newland | Stars: William Shatner, Leonard Nimoy, John Abbott, John Colicos

Votes: 2,372

The first introduction to the Klingons, and in my opinion one of the best Original Series that touches on classic themes of Star Trek

9. Star Trek: The Original Series (1966–1969)
Episode: The City on the Edge of Forever (1967)

TV-PG | 50 min | Action, Adventure, Sci-Fi

When a temporarily insane Dr. McCoy accidentally changes history and destroys his time, Kirk and Spock follow him to prevent the disaster, but the price to do so is high.

Director: Joseph Pevney | Stars: William Shatner, Leonard Nimoy, Joan Collins, DeForest Kelley

Votes: 3,954

Generally considered the best episode of the Original Series, this is a classic time travel story that transcends the Star Trek franchise, and remains one of the best time travels stories ever told

10. Star Trek: The Original Series (1966–1969)
Episode: Amok Time (1967)

TV-PG | 50 min | Action, Adventure, Sci-Fi

In the throes of his Pon Farr mating period, Spock must return to Vulcan to meet his intended future wife, betrothed from childhood.

Director: Joseph Pevney | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, Celia Lovsky

Votes: 2,839

A classic beloved episode that explains the Vulcan culture more and gives you more of a back story on Spock

11. Star Trek: The Original Series (1966–1969)
Episode: Mirror, Mirror (1967)

TV-PG | 50 min | Action, Adventure, Sci-Fi

A transporter accident places Captain Kirk's landing party in an alternate universe, where the Enterprise is in the service of a barbarically brutal empire.

Director: Marc Daniels | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, BarBara Luna

Votes: 3,082

a classic episode that is the origins of parallel universe stories in pop culture and generally considered one of the best Star Trek episodes

12. Star Trek: The Original Series (1966–1969)
Episode: The Doomsday Machine (1967)

TV-PG | 50 min | Action, Adventure, Sci-Fi

The USS Enterprise encounters the wrecked USS Constellation and its distraught commodore who's determined to stop the giant planet-destroying robot ship that killed his crew.

Director: Marc Daniels | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, William Windom

Votes: 2,698

A fan favorite ship battle episode

13. Star Trek: The Original Series (1966–1969)
Episode: Journey to Babel (1967)

TV-PG | 50 min | Action, Adventure, Sci-Fi

The Enterprise hosts a number of quarrelling diplomats, including Spock's father, but someone on board has murder in mind.

Director: Joseph Pevney | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, Jane Wyatt

Votes: 2,356

This episode introduces us to Spock's father Sarek, where we learn more about Spock's back story, as well as introducing us to reoccurring aliens like The Andorians and the Telerites

14. Star Trek: The Original Series (1966–1969)
Episode: The Trouble with Tribbles (1967)

TV-PG | 50 min | Action, Adventure, Sci-Fi

To protect a space station with a vital grain shipment, Kirk must deal with Federation bureaucrats, a Klingon battle cruiser and a peddler who sells furry, purring, hungry little creatures as pets.

Director: Joseph Pevney | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, William Schallert

Votes: 2,950

A fan favorite episode known as the most fun Star Trek episode, it is a great example of seeing the ensemble cast of the Original Series crew

15. Star Trek: The Original Series (1966–1969)
Episode: The Enterprise Incident (1968)

TV-PG | 51 min | Action, Adventure, Sci-Fi

An apparently insane Capt. Kirk has the Enterprise deliberately enter the Romulan Neutral Zone where the ship is immediately captured by the enemy.

Director: John Meredyth Lucas | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, Joanne Linville

Votes: 2,263

An episode that helps explore the Romulans more

16. Star Trek: The Original Series (1966–1969)
Episode: Day of the Dove (1968)

TV-PG | 51 min | Action, Adventure, Sci-Fi

Both humans and Klingons have been lured to a planet by a formless entity that feeds on hatred and has set about to fashion them into a permanent food supply for itself.

Director: Marvin J. Chomsky | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, Michael Ansara

Votes: 1,937

One of the first episode that explores Klingon Warrior culture which will become the norm in the latter Trek franchise

17. Star Trek: The Original Series (1966–1969)
Episode: The Tholian Web (1968)

TV-PG | 51 min | Action, Adventure, Sci-Fi

With Capt. Kirk and the derelict USS Defiant apparently lost, the Enterprise grapples with an insanity causing plague and an attack by the Tholians.

Director: Herb Wallerstein | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, James Doohan

Votes: 1,962

A fan favorite that inroduces the Tholians with a pretty thrilling episode

18. Star Trek: The Original Series (1966–1969)
Episode: Let That Be Your Last Battlefield (1969)

TV-PG | 51 min | Action, Adventure, Sci-Fi

The Enterprise encounters two duo-chromatic and mutually belligerent aliens who put the ship in the middle of their old conflict.

Director: Jud Taylor | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, Frank Gorshin

Votes: 1,881

A classic known for its commentary on racism during the 60's

19. Star Trek: The Original Series (1966–1969)
Episode: All Our Yesterdays (1969)

TV-PG | 50 min | Action, Adventure, Sci-Fi

When Kirk, Spock and McCoy investigate the disappearance of a doomed planet's population, they find themselves trapped in different periods of that world's past.

Director: Marvin J. Chomsky | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, Mariette Hartley

Votes: 2,012

A fun time travel episode and one of my personal favorites. This is the second to last Original Series episode to air, the last one was just like any other episode and it was a very bad episode which is why I'm not recommending it

20. Star Trek: The Animated Series (1973–1975)
Episode: Yesteryear (1973)

TV-PG | 25 min | Animation, Action, Adventure

After finding himself erased from recent history, Spock must travel back in time to save himself as a youth.

Director: Hal Sutherland | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, George Takei

Votes: 593

Some people consider the Anitmated Series as cannon and part of the Star Trek universe, I never really did, and I do believe it is subpar to the rest of Trek and is even more dated than the Original series, which is why I'm only recommending one episode from it. But this episode is generally considered the best episode from the Animated Series, as it sees the return of fan favorite The Guardian of Forever and introduces elements of Vulcan culture that will become part of Star Trek Cannon

21. Star Trek II: The Wrath of Khan (1982)

PG | 113 min | Action, Adventure, Sci-Fi

67 Metascore

With the assistance of the Enterprise crew, Admiral Kirk must stop an old nemesis, Khan Noonien Singh, from using the life-generating Genesis Device as the ultimate weapon.

Director: Nicholas Meyer | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, James Doohan

Votes: 106,905 | Gross: $78.91M

I would say skip the first Star Trek movie, as although it gained some what of a cult following, it is generally considered a bad Star Trek movie, and many agreed almost killed the entire Star Trek franchise, where as this movie obviously saved it. And this to this day is considered the best Star Trek movie ever made by virtually everyone, and it has been attempted to be copied from multiple times

22. Star Trek III: The Search for Spock (1984)

PG | 105 min | Action, Adventure, Sci-Fi

56 Metascore

Admiral Kirk and his bridge crew risk their careers stealing the decommissioned Enterprise to return to the restricted Genesis Planet to recover Spock's body.

Director: Leonard Nimoy | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, James Doohan

Votes: 70,179 | Gross: $76.47M

A sequel that takes place directly after the Wrath of Khan that follows up on the events that occurred in that movie. Along with The Wrath of Khan and The Voyage Home this forms a little acknowledged film trilogy of its own. And this film in particularly I always loved and feel it's a bit underrated.

23. Star Trek IV: The Voyage Home (1986)

PG | 119 min | Adventure, Comedy, Sci-Fi

71 Metascore

To save Earth from an alien probe, Admiral James T. Kirk and his fugitive crew go back in time to San Francisco in 1986 to retrieve the only beings who can communicate with it: humpback whales.

Director: Leonard Nimoy | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, James Doohan

Votes: 73,971 | Gross: $109.71M

Was the highest grossing and most popular Star Trek material ever released, it is probably most responsible for spinning the Star Trek franchise into the wide reaching franchise it became. Among Star Trek fans it's not considered the best, but this film appealled most to wider audiences as this is a classic comedy film of the 80's regardless of being Star Trek

24. Star Trek VI: The Undiscovered Country (1991)

PG | 110 min | Action, Adventure, Sci-Fi

65 Metascore

On the eve of retirement, Kirk and McCoy are charged with assassinating the Klingon High Chancellor and imprisoned. The Enterprise crew must help them escape to thwart a conspiracy aimed at sabotaging the last best hope for peace.

Director: Nicholas Meyer | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, James Doohan

Votes: 66,227 | Gross: $74.89M

I am saying skip Star Trek V which is generally consider horrible and the worst Star Trek film by almost everyone. While although The Undiscovered Country came out while Star Trek: The Next Generation was airing its fifth season, I'd say watch it before starting the Next Generation, as it takes place chronologically before hand, and helps set up the world of the Next Generation. And by the way is also a fan favorite that many Trek fans consider one of the best Trek movies ever made

25. Star Trek: The Next Generation (1987–1994)
Episode: Encounter at Farpoint (1987)

TV-PG | 92 min | Action, Adventure, Mystery

On the maiden mission of the U.S.S. Enterprise (NCC-1701-D), an omnipotent being known as Q challenges the crew to discover the secret of a mysterious base in an advanced and civilized fashion.

Director: Corey Allen | Stars: Patrick Stewart, Jonathan Frakes, LeVar Burton, Denise Crosby

Votes: 4,881

The pilot episode of Star Trek the Next Generation, and while in my opinion it is not a very good episode, it does do a great job of introducing you to all of the characters of Star Trek the Next Generation, as well as the reoccurring character of Q

26. Star Trek: The Next Generation (1987–1994)
Episode: Where No One Has Gone Before (1987)

TV-PG | 45 min | Action, Adventure, Mystery

Everyone accurately pegs a visiting propulsion scientist as a charlatan, but only Wesley Crusher recognizes his alien assistant as the real deal.

Director: Rob Bowman | Stars: Patrick Stewart, Jonathan Frakes, LeVar Burton, Denise Crosby

Votes: 2,645

Generally considered the best episode of the 1st season of the Next Generation, this episode introducing the reoccurring character of the Traveler as well as establishing the Picard and Wesley relationship

27. Star Trek: The Next Generation (1987–1994)
Episode: The Battle (1987)

TV-PG | 46 min | Action, Adventure, Mystery

Beware Ferengi bearing gifts. Capt. Picard receives the Stargazer, a ship considered lost that he once commanded.

Director: Rob Bowman | Stars: Patrick Stewart, Jonathan Frakes, LeVar Burton, Denise Crosby

Votes: 2,186

The 2nd episode to feature the Ferengi, but also gives back story on Picard's previous command of the Stargazer. Not a good episode in my opinion by does let you know who the Ferengi are

28. Star Trek: The Next Generation (1987–1994)
Episode: Haven (1987)

TV-PG | 46 min | Action, Adventure, Mystery

While on a mission to a planet called Haven, Counselor Troi meets her husband to be, a marriage arranged by her father years before, as the Enterprise encounters a ship far deadlier than any combat could provide.

Director: Richard Compton | Stars: Patrick Stewart, Jonathan Frakes, LeVar Burton, Denise Crosby

Votes: 2,158

Introduces the reoccurring character of Lwaxana Troi who is Counselor Troi's mother as well as exploring the back story between Riker and Troi

29. Star Trek: The Next Generation (1987–1994)
Episode: Datalore (1988)

TV-PG | 46 min | Action, Adventure, Mystery

The Enterprise visits the planet where Data was created and discovers another android like him, but when he's assembled, he's not EXACTLY like him.

Director: Rob Bowman | Stars: Patrick Stewart, Jonathan Frakes, LeVar Burton, Denise Crosby

Votes: 2,368

This episode tells us a lot about Data's back story which is pretty vital, as well as introducing the reoccurring character of Lore who is Data's evil twin brother

30. Star Trek: The Next Generation (1987–1994)
Episode: Heart of Glory (1988)

TV-PG | 46 min | Action, Adventure, Mystery

The Enterprise searches for answers as to why three Klingon warriors were the only survivors aboard a freighter just inside the Neutral Zone which was seemingly attacked by a Ferengi ship.

Director: Rob Bowman | Stars: Patrick Stewart, Jonathan Frakes, LeVar Burton, Denise Crosby

Votes: 2,044

Gives back story on the character of Worf

31. Star Trek: The Next Generation (1987–1994)
Episode: Skin of Evil (1988)

TV-PG | 45 min | Action, Adventure, Mystery

Counselor Troi is held captive on a deserted planet by a slick, black, oily, sentient and immortal puddle of evil.

Director: Joseph L. Scanlan | Stars: Patrick Stewart, Jonathan Frakes, LeVar Burton, Denise Crosby

Votes: 2,289

Features the death of a main character

32. Star Trek: The Next Generation (1987–1994)
Episode: The Child (1988)

TV-PG | 45 min | Action, Adventure, Mystery

Deanna is impregnated by a unknown alien life-form, and Dr. Katherine Pulaski joins the Enterprise as the ship's new Chief Medical Officer.

Director: Rob Bowman | Stars: Patrick Stewart, Jonathan Frakes, LeVar Burton, Michael Dorn

Votes: 2,228

Sets up the 2nd season which introduces several new characters and the exit of one, as well as different positions and looks for other characters

33. Star Trek: The Next Generation (1987–1994)
Episode: Elementary, Dear Data (1988)

TV-PG | 46 min | Action, Adventure, Mystery

An attempt to provide Data with a challenging Sherlock Holmes holodeck RPG scenario backfires when its Prof. Moriarty character accidentally becomes self-aware.

Director: Rob Bowman | Stars: Patrick Stewart, Jonathan Frakes, LeVar Burton, Michael Dorn

Votes: 2,474

a fun holodeck episode that introduces the reoccurring character of Professor Moriarty

34. Star Trek: The Next Generation (1987–1994)
Episode: The Measure of a Man (1989)

TV-PG | 45 min | Action, Adventure, Mystery

When Data resigns his commission rather than be dismantled for examination by an inadequately skilled scientist, a formal hearing is convened to determine whether Data is considered property without rights or is a sentient being.

Director: Robert Scheerer | Stars: Patrick Stewart, Jonathan Frakes, LeVar Burton, Michael Dorn

Votes: 3,387

A fan favorite, considered one of the best episodes of the Next Generation, as well as establishing Data's place in the Star Trek universe

35. Star Trek: The Next Generation (1987–1994)
Episode: Contagion (1989)

TV-PG | 46 min | Action, Adventure, Mystery

Encountering the superior technology of a very ancient race creates system malfunctions for a doomed Federation starship, for the Enterprise, and for an eavesdropping Romulan warbird.

Director: Joseph L. Scanlan | Stars: Patrick Stewart, Jonathan Frakes, LeVar Burton, Michael Dorn

Votes: 2,002

the 2nd appearance of the Romulans on the Next Generation, but is the episode that normalizes their position on this show going forward, as well as introducing the Iconian Gateway which is brought up several more times in Star Trek lore, as well as being a damn good episode in my opinion

36. Star Trek: The Next Generation (1987–1994)
Episode: Q Who (1989)

TV-PG | 46 min | Action, Adventure, Mystery

Q tries to prove that Picard needs him as part of their crew by hurling the Enterprise 7,000 light years away where they encounter the Borg for the first time.

Director: Rob Bowman | Stars: Patrick Stewart, Jonathan Frakes, LeVar Burton, Michael Dorn

Votes: 2,882

The Return of Q, but more importantly the first appearance of the Borg which will become a staple in the Star Trek franchise

37. Star Trek: The Next Generation (1987–1994)
Episode: The Emissary (1989)

TV-PG | 45 min | Action, Adventure, Mystery

The Enterprise addresses the emergency of an old Klingon ship coming out of stasis and ready to fight the Federation. A half-Human/half Klingon emissary arrives to help, who once knew Worf intimately.

Director: Cliff Bole | Stars: Patrick Stewart, Jonathan Frakes, LeVar Burton, Michael Dorn

Votes: 2,042

The introduction of Worf's former lover K'Ehleyr, and gives some back story to Worf's character

38. Star Trek: The Next Generation (1987–1994)
Episode: Evolution (1989)

TV-PG | 46 min | Action, Adventure, Mystery

Wesley's latest science project escapes the lab, threatening the Enterprise and an eminent scientist's life-long project.

Director: Winrich Kolbe | Stars: Patrick Stewart, Jonathan Frakes, LeVar Burton, Michael Dorn

Votes: 1,964

Introduces the return of Doctor Crusher and explores her relationship with her son

39. Star Trek: The Next Generation (1987–1994)
Episode: The Price (1989)

TV-PG | 45 min | Action, Adventure, Mystery

While the Enterprise hosts negotiations for control of a stable wormhole, Troi forms a personal relationship with an opposing negotiator, unaware of his true being.

Director: Robert Scheerer | Stars: Patrick Stewart, Jonathan Frakes, LeVar Burton, Michael Dorn

Votes: 1,882

Another Ferengi episode that introduces the Barzan Wormhole

40. Star Trek: The Next Generation (1987–1994)
Episode: The Defector (1990)

TV-PG | 45 min | Action, Adventure, Mystery

When a Romulan officer defects to the Federation with a warning of a impending invasion, Capt. Picard struggles to decide if he is to be believed.

Director: Robert Scheerer | Stars: Patrick Stewart, Jonathan Frakes, LeVar Burton, Michael Dorn

Votes: 2,276

An important exploration of the Romulans, and generally considered a great episode. Also features the reoccurring character of Commander Tomalak

41. Star Trek: The Next Generation (1987–1994)
Episode: Déjà Q (1990)

TV-PG | 46 min | Action, Adventure, Mystery

Much to Picard's displeasure, Q reappears on the Enterprise, claiming to have been ejected from the Q Continuum, and therefore, lost his powers.

Director: Les Landau | Stars: Patrick Stewart, Jonathan Frakes, LeVar Burton, Michael Dorn

Votes: 2,403

Another appearance of Q, generally consider a great episode, this episode is referenced in the future

42. Star Trek: The Next Generation (1987–1994)
Episode: Yesterday's Enterprise (1990)

TV-PG | 60 min | Action, Adventure, Mystery

The Enterprise C enters the Enterprise D's time and space continuum, where they find Picard and crew in a constant state of war with the Klingons, and only Guinan knows it.

Director: David Carson | Stars: Patrick Stewart, Jonathan Frakes, LeVar Burton, Michael Dorn

Votes: 3,426

Generally consider one of the best, if not the best episode of The Next Generation. This is a truly unique story of time travel and alternate timelines that is referenced in the future

43. Star Trek: The Next Generation (1987–1994)
Episode: The Offspring (1990)

TV-PG | 45 min | Action, Adventure, Mystery

After returning from a cybernetics conference to the Enterprise, Data creates his own "child," much to the chagrin of his captain, and without regards to the ramifications with Starfleet.

Director: Jonathan Frakes | Stars: Patrick Stewart, Jonathan Frakes, LeVar Burton, Michael Dorn

Votes: 2,588

A fan favorite episode that explores Data's character more

44. Star Trek: The Next Generation (1987–1994)
Episode: Sins of the Father (1990)

TV-PG | 45 min | Action, Adventure, Mystery

A Klingon commander comes aboard the Enterprise in an officer exchange program initiated by Starfleet, much to the chagrin of the crew.

Director: Les Landau | Stars: Patrick Stewart, Jonathan Frakes, LeVar Burton, Michael Dorn

Votes: 2,093

The Beginning of the so called Klingon trilogy, what happens to Worf in this episode will effect his storyline for the next several years, as while as exploring Worf's back story

45. Star Trek: The Next Generation (1987–1994)
Episode: Captain's Holiday (1990)

TV-PG | 60 min | Action, Adventure, Mystery

After mediating a difficult trade agreement, Captain Picard is encouraged to take a much needed rest on a vacationing planet, where he's visited by a strange race from the future, in search of a dangerous weapon.

Director: Chip Chalmers | Stars: Patrick Stewart, Jonathan Frakes, LeVar Burton, Michael Dorn

Votes: 2,013

Introduces the reoccurring character of Vash

46. Star Trek: The Next Generation (1987–1994)
Episode: Hollow Pursuits (1990)

TV-PG | 46 min | Action, Adventure, Mystery

A shy member of the "Enterprise" crew becomes addicted to the holodeck, where relationships are easier than in real life, when his knowledge is needed in engineering.

Director: Cliff Bole | Stars: Patrick Stewart, Jonathan Frakes, LeVar Burton, Michael Dorn

Votes: 2,005

Introduces the reoccurring character of Barclay

47. Star Trek: The Next Generation (1987–1994)
Episode: Sarek (1990)

TV-PG | 45 min | Action, Adventure, Mystery