The part of Zap Brannigan was originally going to go to Phil Hartman, but was changed when he was murdered by his wife in 1998.

The robot devil is voiced by Dan Castellaneta, the voice of Homer Simpson.

This is a very good example of the amount of detailed thought in these episodes. In S01E01 we saw Fry fall into the cryogenic tube and get frozen. In Season 5 Episode 8 (The why of Fry) we see this same freezing scene again but in this episode Fry and Nibbler are under the desk arguing since it appears Nibbler was the one to push Fry into the cryogenic tube. In Season 5 Episode 2 (Jurassic Bark) we see the freezing scene again but if you watch the scene where Fry is about to fall into the tube you can see the shadow of Fry and Nibbler on the floor since we learn that they are under the desk from S5E08.

In an act of desperation in searching for an actor to voice Bender, executive producer David X. Cohen auditioned when he was told that his natural voice was funny and robotic sounding. But when he sat in front of the mike and was told to speak in his normal voice, he forgot how.

Fry's first name, Philip, was given to him in honor of Phil Hartman.

Matt Groening has admitted that he named Bender after John Bender from The Breakfast Club.

David X. Cohen's name is actually David S. Cohen. He was asked why he changed the middle initial to an X and there are two explanations that he has given. Since there was another David S. Cohen who was member of the WGAE, it was necessary to alter the name, so he decided on the initial X change. One explanation for the letter X is because many aliens have an X in their name, and the other explanation is he thought it sounded cool.

Two of the original names pitched for Futurama were "Doomsville" and "Aloha Mars". Submitted by SexyIrishLeprechaun

It took approximately one hour per frame at thirty frames per second for the 28 or so second intro to be generated in 3D. Submitted by SexyIrishLeprechaun

When the series first started, the animators placed five Alienese letters in the background. IN one poster, it said "drink slurm" and in another, drink was replaced by the five Alienese letters. Going on that, fans of the show were able to decipher the whole language in a couple of hours to decode what was written in graffiti on the wall behind the grate Bender and fry used to escape into the sewers. It said "Venutians (People from Venus) go home". Submitted by SexyIrishLeprechaun

Despite all the references to it in Futurama, Matt Groening has never seen an episode of Star Trek. Submitted by SexyIrishLeprechaun

The version of Baseball in the 31st Century, Blurnsball, came about when, stuck for time, someone put up a schedule for the week with Blurnsday as an eight day. Submitted by SexyIrishLeprechaun

The show's title was taken from one of the main exhibits at the 1939 New York World's Fair.

In the opening you can see Amy, Hermes, Kif, Zoidberg, and Zapp Brannigan go by in the people-mover tubes.

According to David Cohen, Mom's third son Igner (the rather dumb one) is the illegitimate son of Prof. Farnsworth (which explains the character's hair). While it has been shown that Mom and the Prof. had a relationship across a few episodes, there was not enough time in the series before cancellation to reveal this particular result of that relationship.

In the original ending for this episode (as seen in the DVD's deleted scenes), Bender says he'll be less like his old self when robot hell freezes over, to which Fry replies that it does freeze over during the winter. He reads this out of a book. In the aired ending, when Leela asks Bender to be less like his old self, he asks her if she could stand a 100' drop (or something), and Fry says "Good ol' Bender." However, you can still see the book in his hand from the original ending. Submitted by Xofer

In the scene where Amy is seen soaking her fingers (but not in that shot), one water-person on the far left has a face identical to that of Marge Simpson as depicted in the Tracy Ullman Simpsons shorts.

One of the pictures on Bender's sash is that of Homer Simpson (of another famous Matt Groening cartoon). Submitted by Xofer

The planet Chapek Nine, where they deliver the goods to, is named after the author who coined the term robot. Submitted by SexyIrishLeprechaun

The creatures on the list are: Purple Fruit Snake, Sharktopus, Chilean Space Bass, Parasitic Puppy, Gretchen Mole, WIndy Shrimp, Vampire Slug, Excommunicate, Four-Legged Mimic, Molotov Cockatoo and Hermaphlamingo. Submitted by SexyIrishLeprechaun