Star Trek: Enterprise
Oasis
S1 E20:
While exploring a crashed vessel on a desolate planet, the Enterprise crew are haunted by some ghostly figures, and they encounter an alien race that has survived despite insurmountable odds. Trip helps repair their derelict vessel and is befriended by Liana, an attractive humanoid alien who develops feelings for him.
Starring
Tom Bergeron, René Auberjonois, Annie Wersching