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Star Trek: Voyager
Darkling
TV-PG
S3 • E18 Feb 18, 1997 46m6.2
Stardate: 50693.2. When the doctor tries to improve his personality by incorporating the psychological profiles of famous and historical people, he is overwhelmed by their dark sides and begins exhibiting signs of a split personality, one the regular doctor, and the other dark and evil. Kes asks to leave Voyager when they encounter a race with vast knowledge of the region of space they are currently exploring.