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
Descent (Star Trek: The Next Generation) Descent (Star Trek: The Next Generation) "Descent" is the 26th episode of the and the first episode of the of the American science fiction television series "", the 152nd and 153rd episodes overall. Set in the 24th century, the series follows the adventures of the crew of the Federation starship "Enterprise". The episode features a guest appearance by Stephen Hawking, making it the only episode to feature a guest star appearing as themselves on any "Trek" series. On the holodeck, Lt. Commander Data plays a game of poker with holographic representations of Sir Isaac Newton, Albert Einstein, and Stephen Hawking.