The 100 (2014– )
23 user 6 critic

Perverse Instantiation: Part Two 

In the second half of the two-part season finale, everyone prepares for a final showdown as they begin to face the reality of their tragic situation in the epic and mind-bending conclusion.


Dean White


Jason Rothenberg (developed by), Kass Morgan (based on the book by) | 4 more credits »


Episode cast overview, first billed only:
Eliza Taylor ... Clarke Griffin
Paige Turco ... Dr. Abigail Griffin
Bob Morley ... Bellamy Blake
Marie Avgeropoulos ... Octavia Blake
Devon Bostick ... Jasper Jordan
Christopher Larkin ... Monty Green
Lindsey Morgan ... Raven Reyes
Richard Harmon ... John Murphy
Isaiah Washington ... Thelonious Jaha
Henry Ian Cusick ... Marcus Kane
Michael Beach ... Charles Pike
Alycia Debnam-Carey ... Lexa
Erica Cerra ... A.L.I.E. / Dr. Becca Franco
Jarod Joseph ... Nathan Miller
Chelsey Reist Chelsey Reist ... Harper McIntyre




In the second half Clarke manages to get her mother out of A.L.I.E.'s control. Together they put the flame into Clarke by connecting her to Ontari, the Nightblood. Now knowing how to stop A.L.I.E., Clarke goes to the city of light to shut down A.L.I.E.; but shutting down A.L.I.E. has serious consequences. Written by zabeeb aizaz

Plot Summary | Add Synopsis


Drama | Mystery | Sci-Fi


TV-14 | See all certifications »

Did You Know?


At 20:01, in the City of Light, you can see that Scotiabank is operational in the AI program. See more »


As Clark stands before the kill switch, ALIE 2 keeps her abreast of the time left before the kill switch will disappear. The final "10 second" warning took 33 seconds of the show and 15 seconds of actual time on the space station. See more »


Becca: Define Perverse instantiation
Alie: The implementation of a benign final goal through deleterious methods unforeseen by a human programmer
Becca: The goal isn't every thing Alie, how you reach the goal matters too.
See more »

User Reviews

The 100
8 March 2017 | by danajohn55See all my reviews

I've watched from the beginning and this show has been amazing. I hope the show can continue because we are lacking good sci Fy shows at this time. This type of story leaves a lot of room for the writers, I just hope they continue to develop the story line to keep it going for seasons to come.

0 of 1 people found this review helpful.  Was this review helpful to you? | Report this
Review this title | See all 23 user reviews »

Frequently Asked Questions

This FAQ is empty. Add the first question.




Release Date:

19 May 2016 (USA) See more »

Company Credits

Show more on IMDbPro »

Technical Specs


Sound Mix:




Aspect Ratio:

16:9 HD
See full technical specs »

Contribute to This Page

Free Movies and TV Shows You Can Watch Now

On IMDb TV, you can catch Hollywood hits and popular TV series at no cost. Select any poster below to play the movie, totally free!

Browse free movies and TV series

Recently Viewed