Lost in Space
Trip Through the Robot
Season 2, Episode 26 · Aired 1967-03-22

Synopsis
While in the Valley of Shadows the Robot is affected by strange forces and grows to the size of a building. Will and Dr. Smith enter the Robot to try to reverse the process and save him.
In the series
This episode is part of Lost in Space (1965–1968) on CBS.
Danger, Will Robinson — family space opera with a scene-stealing robot.
Key cast
- Guy Williams as Prof. John Robinson
- June Lockhart as Maureen Robinson
- Mark Goddard as Maj. Don West
- Marta Kristen as Judy Robinson
- Billy Mumy as Will Robinson
- Jonathan Harris as Dr. Zachary Smith