At approx 17:25, there is an external shot of the space station turning and engines can be heard. There is no sound in the vacuum of space.
The charm that Buck uses against the vampire is the key that Commander Adama wears in the show Battlestar Galactica (the props of which are recycled in this show).
At the beginning of the episode, Buck and Wilma are on their way to Genesia to spend some vacation time with Hieronymus Fox ("Cosmic Whiz Kid") and mentions Twiki's girlfriend Tina ("Cruise Ship to the Stars").
Dr. Huer manages to kill the Indian rubber plant that Buck gave him in "Cosmic Whiz Kid".
Wilma: (as a Vampire) I like the taste of fear best of all...
(After Wilma is infected by the vampire she visits Buck)
Buck: How did you get past the guard?
Wilma: Ooohh, I drained them ... it felt so good... it was so easy...
Vampire: (to Wilma) Once I have you, I'll need no one else for a long long time.
Patty Maloney played the role of "Twiki" in this episode.
Christopher Stone (Commander Royko) guest starred in a two episode arc as Major Stockwell a month later on Galactica 1980.