26 user 7 critic

This Side of Paradise 

The Enterprise investigates a planet whose colonists should be dead, but are not.


Ralph Senensky


D.C. Fontana (teleplay by), Jerry Sohl (story by) (as Nathan Butler) | 2 more credits »




Episode complete credited cast:
William Shatner ... Capt. Kirk
Leonard Nimoy ... Mr. Spock
Jill Ireland ... Leila Kalomi
Frank Overton ... Elias Sandoval
DeForest Kelley ... Dr. McCoy
Grant Woods ... Kelowitz
George Takei ... Sulu
Nichelle Nichols ... Uhura
Michael Barrier Michael Barrier ... DeSalle
Dick Scotter Dick Scotter ... Painter
Eddie Paskey ... Crewman


The Enterprise is ordered to clean up the aftermath of a doomed colony on Omicron Ceti III, a planet under constant irradiation from deadly Berthold Rays. Upon arrival, however, the colonists aren't only alive but in perfect health, with no desire to leave their new world. They are in fact under the influence of plant spores which not only keep them in good and improved health but simultaneously keep them in a placid state of happiness and contentment. Mr Spock reacquaints with Leila Kalomi, an old friend who had been (and still is) in love with him. She leads Spock into being affected by the spores, and he is thereafter, for the first time, able to express love for her in return. Eventually the entire ship's crew is affected, leaving Kirk alone to wonder how he can possibly rescue them from perpetual bliss. Written by Clive Wilson

Plot Summary | Plot Synopsis


TV-PG | See all certifications »


Official Sites:

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Release Date:

2 March 1967 (USA) See more »

Company Credits

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Technical Specs


Sound Mix:




Aspect Ratio:

1.33 : 1
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Did You Know?


Ralph Senensky recalled that directing the episode "really proved to be very, very, very well worthwhile doing. Leonard Nimoy and Jill Ireland were wonderful, as was the whole cast." See more »


The close-up of the plant spraying Kirk on the bridge has the plant on the floor directly in front of Sulu's console where Kirk was sitting. However, the longer camera shot immediately preceding this close-up shows that floor area and no plant is seen there. See more »


Capt. Kirk: My orders are to remove all the colonists and that's exactly what I intend to do, with or without your help.
Elias Sandoval: Without, I should think.
Dr. McCoy: [after Elias walks off] Would you like to use a butterfly net on him, Jim?
See more »

Alternate Versions

Special Enhanced version Digitally Remastered with new exterior shots and remade opening theme song See more »


Referenced in Free Enterprise (1998) See more »


Star Trek Theme
Written by Alexander Courage
See more »

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User Reviews

Remember Odysseus and the Lotus Eaters
28 April 2014 | by HitchcocSee all my reviews

Kirk and Spock find themselves on a planet where no living thing should exist. In contrast, there seems to be vegetation and a thriving population. There is another surprise. A beautiful young woman played by Jill Ireland, who once had a thing for Spock, is on the planet. Also, on the planet is a sort of flower that when approached, fires spores, causing a sense of utter euphoria in the recipient. Most of the crew are infected with these spores which causes them to loll around, forgetting their duties. Spock, though initially traumatized, falls in with the rest. He picks up his romance with the young woman and announces that he has never been happy before. His deep human side is being exposed. Soon Kirk, who has somehow avoided the spores, is the only one left on the Enterprise. He can't possibly manage the ship by itself and the crew is unwilling to have anything to do with assisting him. He is bewildered but doesn't know what to do. Fortunately, as luck would have it, McCoy has brought some of the flowers on board and Kirk is dispatched by one of them. This leads to the solution to the problem.

In some ways this is quite sad because of Spock's experience with love and the loss of it. The positive is that we get to see Leonard Nimoy stretch himself a bit, not playing the stolid Vulcan all the time.

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