The Survivor
Series: Star Trek: The Animated Series
Airdate: October 13, 1973 | Year Set: 2269
Season 1, Episode 6
Summary
Patrolling near the Neutral Zone, the U.S.S. Enterprise finds a ship and rescues Carter Winston, a Federation citizen, financier, and philanthropist missing for 5 years. However, Winston turns out to really be a Vendorian, an alien species that can transform its shape at will. He is also allied with the Romulans.