"Fight or Flight" is the third episode (production #103) of the television series Star Trek: Enterprise. "Fight or Flight" was written by Brannon Braga and Rick Berman. Allan Kroeker served as director for the episode; he had previously directed "Endgame," the finale of Star Trek: Voyager. The human starship Enterprise encounters an alien ship that is their first chance of first contact, but find hull breaches and no activity. Captain Archer, Ensign Sato, and Lieutenant Reed board the ship to investigate, and on the ship, Sato soon faces her fears.