Symbiosis (Star Trek: The Next Generation) Symbiosis (Star Trek: The Next Generation) "Symbiosis" is a very special episode of the American science fiction television series "". It first aired on April 18, 1988, in broadcast syndication. The teleplay was written by Robert Lewin, Richard Manning, and Hans Beimler, based on a story by Lewin, and the episode was directed by Win Phelps. Set in the 24th century, the series follows the adventures of the crew of the Starfleet starship "Enterprise"-D. In this episode, Captain Jean-Luc Picard (Patrick Stewart) tries to mediate a trade dispute between two co-dependent neighbouring planets regarding medical supplies which turn out to
Devil's Due (Star Trek: The Next Generation) Devil's Due (Star Trek: The Next Generation) "Devil's Due" is the 13th episode of the of the American science fiction television series "", originally aired on February 4, 1991, in broadcast syndication in the United States. Based on an episode written by William Douglas Lansford for the planned "" (1978) television series, it was adapted for "The Next Generation" by Philip Lazebnik and directed by Tom Benko. Set in the 24th century, the series follows the adventures of the crew of the Starfleet starship USS "Enterprise"-D. In "Devil's Due", the crew of the "Enterprise" confront an individual claiming to be