Buck Rogers in the 25th Century - Season 2 - Eps 11: The Hand of the Goral
Buck, Wilma, and Hawk explore a strange planet and come across the wreckage of a spacecraft and its lone survivor. He is taken back to the Searcher by Wilma, while Buck and Hawk continue to explore. After some unexplained happenings on the planet, they return to the Searcher, where they find that everyone has undergone personality changes -- becoming the opposite of their real selves. Buck soon learns that he can not even trust Wilma and Hawk to help him solve the mystery of what has happened.
About Buck Rogers in the 25th Century

Title: Buck Rogers in the 25th Century
First Air Date: 1979-09-20
Last Air Date: 1981-04-16
Status: Ended
Rating: 7.004/10 (from 114 votes)
Language: EN
Seasons: 3
Total Episodes: 37
Network: NBC
Genres: Action & Adventure, Sci-Fi & Fantasy
Production Companies: Universal Television, Glen A. Larson Productions, Bruce Lansbury Productions, John Mantley Productions
Synopsis
20th-century astronaut Buck Rogers awakens in the 25th century after a freak accident puts him in suspended animation for 500 years. Upon returning to Earth and discovering the planet is recovering from a nuclear war, Buck uses his combat skills and ingenuity to protect Earth and fight evil throughout the galaxy alongside starfighter pilot Colonel Wilma Deering and robot companion Twiki.
Cast

Gil Gerard
Buck Rogers

Erin Gray
Wilma Deering

Wilfrid Hyde-White
Dr. Goodfellow

Thom Christopher
Hawk

Jay Garner
Admiral Efram Asimov

Felix Silla
Twiki