The Hand of the Goral (S02E11)

Title: The Hand of the Goral Plot: Buck, Wilma, and Hawk venture onto an unfamiliar planet, where they discover the remains of a downed spaceship and its solitary occupant. Wilma brings the survivor back to the Searcher, while Buck and Hawk delve deeper into the planet's secrets. Upon their return, they are shocked to find that the crew has experienced drastic shifts in personality, acting contrary to their true natures. Buck quickly realizes he can’t rely on Wilma or Hawk, as he struggles to uncover the truth behind this bizarre transformation.