Trivia: It's in this episode that the Heimlich Maneuver is used for the first time by the paramedics. At the USC game, when a guy is choking on a hot dog, John and Roy are called, and John uses the Heimlich. Up until season 6 we've seen the guys use other methods, such as the ChokeSaver which look like huge white tweezers, to remove obstructions in an airway, as seen in 4x9, "Foreign Trade."
Trivia: Ted Cassidy, best known for his role as Lurch in the hit TV series "The Addams Family", did the opening narration for the show as well as the vocal effects for the Hulk. Sadly, Ted Cassidy died during production of Season 2. The Hulk's vocal effects were then done by actor Charles Napier for the rest of the show. Ted Cassidy's voice was still used for the opening narrations of all seasons.
Band Candy - S3-E6
Trivia: The accent that Giles uses as his teenage self is Anthony Head's natural accent.
One Henry, Three Girls: Part 1 - S2-E2
Trivia: When Kid Danger and Veronica are about to kiss in the park, the old man who stop them is holding a book called "Good Burger." The show's writer, Dan Scheider also wrote for the show Good Burger.
Trivia: The book that Sam reads is The Outsiders, Ralph Macchio starred in the film version.
Trivia: Tommy has been more colours than any other Ranger. He has been the Green, White, Red, and Black Ranger.
Trivia: Jeff Tracy's five sons were named after Mercury astronauts - Scott Carpenter, Virgil Grissom, Alan Shephard, Gordon Cooper and John Glenn.
Trivia: Originally, Batman villain Two-Face was going to appear in this show and was going to be portrayed by Clint Eastwood. Two-Face's backstory wouldn't have him as an attorney who had acid thrown in his face but instead have him as a news anchor who would have a stage light exploding resulting in his injuries and his transformation into a criminal.
Trivia: Throughout the show, the number 47 appears many times. There are multiple room 47's (where Syd found the Circumference in season 1 and the room in her memories from season 3, among others.), there are 47 Rambaldi artifacts, and Page 47 of the Rambaldi manuscript was the page that had Sydney's picture on it. Also the pagers flash 47911 when they get called into the office.
Trivia: Dom DeLuise and his three sons Peter DeLuise (who has written, directed and produced a number of episodes), Michael DeLuise and David DeLuise have all appeared on the show at least once. Peter DeLuise has appeared many times.
The Night Dr. Loveless Died - S3-E4
Trivia: Dr. Loveless' uncle's name, "Liebknicht", is, aside from the addition of the letter "k", German for "Loveless".
Trivia: At the end of the episode, Superman believes that Lex Luthor died after giving the Anti-Life Equation to Darkseid, who also vanished along with Lex while the others believe that Lex is still alive, and they might see him again. According to Dwayne McDuffie, Lex Luthor and Darkseid became a permanent part of the source wall when they solved the Anti-Life Equation. The same fate that happens to anybody who solves it.
Trivia: David Hasselhoff, who plays Michael Knight on Knight Rider, was married to Catherine Hickland from 1984-89 and in 1992 Catherine married an actor whose real name is Michael E. Knight.
Trivia: Actor Vic Morrow used a non-firing wooden replica of a Tompson submachine gun due to its lighter weight, thus being easier to carry. He used a heavier blank-firing model when it was required to be fired.
Trivia: As part of the "Nick spot it" game, various things in this episode are upside down. When Max is ready to tell the family that he isn't the vandal, the grill is upside-down. Also, when Barb asks if the family if they wanted egg kabob their family picture is upside-down. When Max is grounded in his room, his Dark Mayhem poster is upside-down. When the Thunder Monitor says that the angry mob is approaching it's upside-down also when the angry mob is inside the house the penguin butler statue can be seen upside down This happens a few more times throughout the episode. When Max and Phoebe are sleeping at the park under the Hiddenville park sign, it is upside down too. When the family was picking up eggs, Max and Phoebe were upside down. When Max snuck out the first time, Coloso was also upside down.
Trivia: Karl Urban, who plays Cupid in this episode, also plays Caesar in many episodes.
Trivia: Edward James Olmos (Commander Adama) plays a man involved in a search for dangerous androids who are nearly impossible to distinguish from humans. He played a man in a very similar situation in Blade Runner as Gaff. Amusing coincidence.