Lost in Space/Season 2/Episode 4

Episode 3 Episode 5

S2 · E4

Oct 5, 1966 · 1 hr

Forbidden World

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.

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

Your rating

Synopsis

When an alien believes that the Jupiter 2 has fired a missile at them that alien puts the crew in grave danger for there lives.

Guest stars

Wally Cox photo

Wally Cox

Tiabo

Janos Prohaska

Bird Monster

Advertisement

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 byDon Richardson

Written byBarney Slater

Where to watch

Availability for United States

Apple TV Store

Amazon Video

Google Play Movies

Fandango At Home

Streaming availability data provided by JustWatch.

Episode discussion

Unlocks when you mark this episode as watched

Comments stay hidden until you have watched this episode.

Advertisement