
Trivia: Beverly Owen played the part of Marilyn for thirteen episodes believing the show would flop. When The Munsters became a hit, she started crying because of being away from her boyfriend who lived in New York. She was let go and the part of Marilyn went to Pat Priest who had such an uncanny resemblance to Beverly that people watching the show never knew the difference.

Trivia: The character of Michael Evans was named after co-creator Michael Evans. The real Michael Evans was the original Lionel on "The Jeffersons".

Trivia: While reading the Anhkana, Ed compares its gruesome contents to writing by Bret Easton Ellis. Ellis is famous for having written the graphically violent novels on which American Psycho and its sequel The Rules of Attraction are based.

Trivia: Set in 1924, a few publicity shots of the Series 5 cast members, new and old, were rolled out, and one promotional photo in particular was quite revealing. Sitting on the mantelpiece behind cast members Hugh Bonneville and Laura Carmichael, who play the Earl of Grantham and Lady Edith, was a modern-day plastic bottle of water.

Trivia: Despite the series being a critical darling and winning a number of prestigious awards, it was quietly cancelled during its third season in 2011, and network Showtime never gave a reason why the plug was pulled. Star Toni Collette has stated as recently as 2017 that she was still frustrated that the show had been cancelled, as she loved the series and the cast and thought it would have gone on at least a few more seasons.

Trivia: The Widow Twanky was portrayed by Michael Hurst although he would be credited as Edith Sidebottom.

Trivia: Ann Morgan Guilbert plays Yetta Rosenberg, the mother of Sylvia Fine (Renee Taylor). In real life, Guilbert is only five years older than Taylor.

Crisis on Earth-X, Part 3 - S4-E8
Trivia: Supergirl says to her doppelganger "General, can you step outside." That line was said by Superman in Superman II.

Trivia: In one episode, Aaron Echolls mentions that he was voted People magazine's Sexiest Man Alive in 1987. Harry Hamlin, who plays Aaron, actually did earn that honor that year.

Visitors From Beyond the Stars - S1-E18
Trivia: The Time Tunnel Homing Beacon used in "The Revenge of Robin Hood" episode is hanging on the bulkhead by the door of the aliens' spaceship.

Trivia: Kimberly's school is the same school from the Facts of Life. It even has the same classmates and Kimberly shows up sometimes.

Trivia: The show featured the first toilet flush heard on TV.

Trivia: Robert Forster filmed his scene in this episode at the same time that he filmed his scene in El Camino. He is having a phone conversation with Bob Odenkirk, but Odenkirk shot his part later. Unfortunately, Forster passed months earlier (coincidentally on El Camino's release date) and sadly never got to see his work in neither this nor El Camino.

Trivia: Gaspard Ulliel, who portrays Anton Mogart, was involved in a fatal skiing accident the day after the trailer for this series debuted. The third episode is dedicated to his memory.

Trivia: Rain Robinson has a model of a DY-100 on the window sill in her office. In 1996 (also the year this episode is set), Kahn left Earth in the SS Botany Bay, a DY-100 class starship.

Trivia: A "Penny Dreadful" was one of several terms used to describe cheap horror comic books that were popular among the lower economic classes of Victorian England.

Scary Sherry: Bianca's Toast - S1-E15
Trivia: In this episode, Chelan Simmons (Bianca), dies by getting electrocuted. In Final Destination 3, her other film, she also dies by getting electrocuted.