Trivia: The 1966 T.V. Batmobile was created from a decade-old "concept show car" designed and built in 1955 by Ford's Lincoln Division. It was called the Lincoln Futura, and was originally a pearlescent pale green. After several years on the car show rounds (and an appearance in one movie, repainted red), it was sold for $1 to George Barris who stored it outdoors for 6 years. When FOX called looking for Barris to build a car for the show, they gave him 3 weeks, so he grabbed this already-weird looking car he had out back, sketched a few changes and passed the physical work to Bill Cushenberry. It was finished on time and the rest is history.
Trivia: In one of the intros used in season 1 on TV you can see a clip of Ross, Chandler and Joey dancing in Ross' apartment. That clip is not in any aired episode. It's in the extended version of "The One with All the Poker".
Trivia: Maggie scans as $847.63 in the supermarket at the beginning (not NRA4EVER, as Troy Maclure asserts in 3F31 "The Simpsons 138th Episode Spectacular), the price it costs to feed and care for the average American baby every month.
Pregnant Women Are Unpredictable - S2-E16
Trivia: When Lucy's reading the book about infant care, she's holding a baby doll wearing a bonnet in order to learn how to bathe and diaper a baby, and the doll she's using is not just any prop. It's actually one of the show's endorsed products named the "I Love Lucy Baby" doll, which were sold in stores.
The Alliance - S1-E4
Trivia: In the synopsis on the DVD, Jim Halpert is incorrectly listed as "John", the name of the actor who plays him.
Trivia: When Josh has the broken foot, the hospital he goes to is called St. Schneider's. This is a reference to the show's director, Dan Schneider.
Trivia: Lisa Kudrow auditioned for the role of Roz. She had actually appeared before in an episode of Cheers, when she played a character called Emily who was giving Woody acting lessons. Peri Gilpin, who got the part of Roz, also played a reporter in Cheers season 11 - "Woody gets an election."
Trivia: In this incredibly stupid NBC television sitcom that lasted only one season (from Sept. 1965 to April 1966), Jerry Van Dyke's late mother is reincarnated as a hideous vintage ragtop jalopy called a "1928 Porter"; but, in fact, no such vehicle was ever produced in automotive history. The 1928 Porter was a fantasy car assembled strictly for this short-lived TV show, using bits and pieces of a Model-T Ford, a Maxwell, a Hudson, and a Chevrolet.
Batman VS Iron Man (DC VS Marvel) - S4-E10
Trivia: The car that Batman slides over when avoiding Iron Man's blasts is the same car from the mini game in Street Fighter II, where players would beat up the car and tear it apart as fast as possible for more points. (00:04:43)
The Karate Kid Returns - S6-E14
Trivia: At the end of the episode when Jill is asking to sing with the Beach Boys, Wilson's entire face is visible for a split-second (for those unfamiliar with the show, one of its running gags is that Wilson's face is always partially obscured, usually the lower half). (00:21:10)
Trivia: D.J. throws a life buoy onto a man which says SS Papouli on it. In Full House, Danny buys a boat and names it this in memory of the family's beloved Papouli.
Dad's Dead - S1-E2
Trivia: When Ken appears at the end of the episode and Tommy wets his pants, David Shatraw actually had relieved himself. The studio audience wasn't aware of it until he pulled his tie aside to look down at his slacks. (00:20:55)
Trivia: The fight between Satan and ManBearPig is similar to the fight between Hulk and Abomination at the end of The Incredible Hulk.
Trivia: As of this episode, credits change due to the 9/11 attacks: Twin Towers next to Sarah Jessica Parker's name and the show's title are replaced with the Empire State Building and a different skyline, respectively.
Excuse Me, May I Cut In? - S2-E4
Trivia: Gary Marshall is playing the drums, I think.
Trivia: An R2-D2 with a wig is visible on Junior's shelf. A nod to Cleveland playing R2-D2 in the Family Guy Star Wars trilogy.
Love and Cheese / Weighing Harold - S4-E7
Trivia: In 'Weighing Harold', when Arnold is in the comics store, there are comics in the background referencing other Nickelodeon shows, "Catdog" and "Spongebob Squarepants." The former had aired almost exactly a year before this episode did ('Catdog' premiered on 4/4/1998 and this episode on 4/7/1999). The later aired about a month after this episode.