The series revolved around cases investigated by the Blue Moon Detective Agency and its two partners, Madelyn "Maddie" Hayes (Cybill Shepherd) and David Addison Jr. (Bruce Willis).

Collinwood Mansion is a residence featured in the Gothic horror soap opera Dark Shadows (1966-1971). Since its inception in 1795, Collinwood has been home to the Collins family--and other sometimes unwelcome supernatural visitors.

Lal was an android, constructed by Data in 2366 using his own positronic brain as a template. Data created Lal for two purposes: to attempt to re-create the work of his "father", Noonian Soong; and to experience the act of "procreation".

Major Nelson was an astronaut who first discovered Jeannie when his space mission was aborted and he parachuted to safety on an (almost) deserted island.

Norm had a wife named Vera who was often mentioned but never seen. When she finally made an appearance on the show, her face was covered in pie thrown by Diane (season 5, episode 9 "Thanksgiving Orphans").

MacGyver works as a "troubleshooter" for the Phoenix Foundation in Los Angeles, a non-profit think tank that often cooperates with government agencies, particularly the police or intelligence community.

Sam was a relief pitcher for the Boston Red Sox.

Featured as the "Stratford Inn" in the TV show Newhart in the 1980s, the Waybury Inn still draws many Bob Newhart fans to Middlebury, VT, every year.

In the original song, the Professor and Mary Ann were simply referred to as "and the rest", but when Bob Denver (Gilligan) personally went to the studio executives and asked that they be added to the theme song, the lyrics were rewritten.

Press Your Luck was known for the "Whammy", a red cartoon creature with a high-pitched voice that stole the contestant's money when he/she landed on any of the Whammy's spaces on the game board.