"Captive Pursuit" is the fifth episode of the first season of the American science fiction television series Star Trek: Deep Space Nine. The episode was written by executive producer Michael Piller and Jill Sherman Donner, and was directed by Corey Allen. Set in the 24th century, the series follows the adventures on Deep Space Nine, a space station located near a stable wormhole between the Alpha and Gamma quadrants of the Milky Way Galaxy. In this episode, Tosk (Scott MacDonald) arrives on the station and befriends Chief Miles O'Brien (Colm Meaney), but is soon pursued by the Hunter (Gerrit Graham), who follows him through the wormhole.