Discover

Movies and TVFresh releases from across the catalog, mixed to keep movies and TV side by side.Movies TV Awards

Workspace

Watchlists My lists My reviews

Trivia

Play movie quizzes and chase the scoreboard

Play film and television quizzes, test your knowledge, and climb the Cinephilist leaderboards.

FeedEpisode threads, fan theories, polls, predictions, and moderated reports keep discussion lively without turning it chaotic.Lists

Spoiler shield

Spoiler gates protect reviews, posts, and scene notes until readers choose to reveal them.

Sign in Sign up

Star Trek/Season 2/Episode 3

Episode 2 Episode 4

S2 · E3

Sep 29, 1967 · 50 min

The Changeling

Your rating

About Contact Editorial policy Discover Pricing Privacy Terms DMCA Blog

© 2026 Cinephilist

Proudly powered by

This product uses the TMDB API but is not endorsed or certified by TMDB. Some biographical and reference content is provided by Wikipedia under its applicable licenses.

Synopsis

The crew of the USS Enterprise deals with an indestructible planet-destroying space probe.

Guest stars

Vic Perrin photo

Vic Perrin

Nomad (voice)

Majel Barrett photo

Majel Barrett

Christine Chapel

MaKee K. Blaisdell

Singh

Frank da Vinci photo

Frank da Vinci

Clifford Brent

Barbara Gates

Crewman

Reviews

Most helpful Newest Spoiler-free

No reviews yet

Reviews will appear here once members share their thoughts.

No music yet

–

User score

No reviews yet

Across 0 community ratings

Credits

Directed byMarc Daniels

Written byJohn Meredyth Lucas

Where to watch

Availability for United States

Paramount Plus Premium

Paramount Plus Essential

Paramount Plus Apple TV channel

Paramount+ Amazon Channel

Streaming availability data provided by JustWatch.

Advertisement

Advertisement

Episode discussion

Unlocks when you mark this episode as watched

Comments stay hidden until you have watched this episode.