Buck Rogers in the 25th Century - Season 2 - Eps 8: The Crystals
Buck, Wilma, and Hawk are confronted with a bizarre riddle on an alien planet they are exploring for crystals to power the Searcher. Part of the riddle is the connection between a young woman and an eerie, mummy-like creature they encounter on the planet. Meanwhile, on the Searcher, the android Crichton believes he has discovered the link -- one that is crucial to the success of their mission.
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