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: 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: 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: Kimberly's school is the same school from the Facts of Life. It even has the same classmates and Kimberly shows up sometimes.
Trivia: Michael Gross, who played the father in the show, painted the portrait of the family shown in the opening credits.
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.
Trivia: Nate's dad, played by Thomas F. Wilson, says "let's make like a tree and leave", to which Nate replies "I'm not sure that's how it goes." Thomas F. Wilson famously played Biff in the Back to the Future films, who frequently got that saying wrong.
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.
Trivia: This is the only episode in the entire series where the victim is attacked but is later revealed to be still alive.
Trivia: The show featured the first toilet flush heard on TV.
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.
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: Across the hall from Nelson and Murdock is an office that reads "Atlas Investments", a nod to the comic company (Atlas Comics) that would later become Marvel. The logo is the same as that of Atlas Comics too.
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.
The Arrival - S1-E4
Trivia: Michael Cerveris makes his first significant appearance in this episode as The Observer/Bald Man. However if you watch the series from the beginning, he makes fleeting appearances in every episode, sometimes on a tv screen.
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 Dollhouse is run by the Rossum Corporation. The word Robot was first used in a 1920s science fiction stage play about mechanical servants called Rossums Universal Robots.
Trivia: Johanna is played by Cheryl Stoppelmoor - who is today known as Cheryl Ladd.