Allegiance (Star Trek: The Next Generation) Allegiance (Star Trek: The Next Generation) "Allegiance" is the 18th episode of the of the American syndicated science fiction television series "", and the 66th episode of the series overall. It was originally released on March 26, 1990, in broadcast syndication. Set in the 24th century, the series follows the adventures of the crew of the Federation starship "Enterprise". In this episode, Captain Picard finds himself abducted from the "Enterprise" and held in a chamber with other prisoners, while a doppelgänger replacing him behaves strangely and gives increasingly disturbing orders. Captain Picard, while sleeping in his quarters on the "Enterprise"
Descent (Star Trek: The Next Generation) of the set of "Star Trek: The Next Generation", which included an opportunity by Hawking to sit in the captain's chair. Freedman told the show's executive producer, Rick Berman, that Hawking would appear on the show if asked. Hawking accepted the ensuing offer, marking the first time a guest star played himself on an episode of any "Star Trek" series. After he was sent the script, he made some modifications to it, including improving a humorous line of dialogue to make it funnier, which Berman called "delightful". Later, when actor Brent Spiner, who appeared in the scene with Hawking, first