19 Season
591 Episode
Lassie - Season 6 Episode 18 The Space Traveler
When Timmy and Don accidentally release the guinea pig from an experimental rocket, they replace it with Timmy's guinea pig Alexander the Great. But authorities suspect the guinea pig on the rocket was exposed to deadly radiation.
- Year: 1973
- Country: United States of America
- Genre: Action & Adventure, Drama, Family, Comedy
- Studio: CBS
- Keyword: dog, boy and dog, lassie
- Director: Robert Maxwell
- Cast: Hugh Reilly, Josh Albee