Buck Rogers in the 25th Century - Season 2 - Eps 12: Testimony of a Traitor
An ancient videotape is discovered that proves that Buck was involved in the nuclear holocaust that nearly destroyed the Earth hundreds of years before. Commissioner Bergstrom convenes a war crimes trial aboard the Searcher and, if Buck is found guilty, faces a death sentence. In a desperate attempt to clear himself, Buck agrees to another mind probe, but his memories seem to confirm the charges.
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