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"
Star Trek: Enterprise joined by his daughter-in-law Suzanne Westmore, who had previously been credited on "Voyager" as Suzanne Diaz. Ronald B. Moore returned once again as Visual Effectors Supervisor, a veteran of Trek productions since "The Next Generation" and also worked on the feature film "Star Trek Generations". Carol Kuntz was the Costume Supervisor, a position she had held since the production of "The Next Generation", while Charlotte A. Parker was "Enterprise"'s Hair Stylist, and had been previously credited as Charlotte A. Gravenor on "Voyager". A number of directors who had previously worked on episodes in other Star Trek series returned once more