The menu at the Café des Artistes includes such delicacies as "Croissants D'ilithium", "Klingon Targ a la mode," "Tribbles dans les blankettes," and "L'Antimatter Flambé."
The title was a direct reference to Casablanca (1942). Indeed, Riker recalls a bar on Sarona VIII, and Picard recalls its name - the Blue Parrot Café. This is the name of Signor Ferrari's bar in the film.
Dr. Crusher indirectly expresses her feelings for Capt. Picard to Deanna when she says that she can't compete with a ghost from his past. It is one of the few times in the series where a romantic relationship between Crusher and Picard is explicitly suggested.
This episode was affected by the Writer's Guild strike of 1988, with the result that filming had to be shut down while the show's ending was written.
The image of 24th century Paris was a matte painting which was re-used in Star Trek VI: The Undiscovered Country (1991) where it was hung outside the office of the Federation president.