Awesome Moments: The deleted scene where Crow and Servo (the latter getting it together after being reduced to a sobbing mess when the meteor shower messed with his hash) save Mike from dying by restoring oxygen to the satellite. Needless to say, the crew was not happy about this scene being cut.
Awesome Music: Both Dave Alvin's swaggering rockabilly version of the main theme, which was left out of formal releases for decades, and the even longer instrumental version over the credits (which has never received a separate release, period). Even Billy Barber's more formal, restrained score has a great cue with the "Movie Sign" theme — which, like the original credits theme, was meant to sound bombastic to the point to silliness, but actually works on its own.
Better on DVD: The special edition released by Shout! Factory finally includes the deleted scenes, plus an interview with the Brains discussing the making of the film and their thoughts, and even a documentary on the film within the film!
Hilarious in Hindsight: During a scene where Brack communicates via interocitor, Tom sings a fictional theme song that goes, "It's the Brack show, starring me — I'm Brack! It's the Brack show, and I've got lots of good guests..." Four years later, The Brak Show would come into existence (which was preceded by two specials, both entitled Brak Presents the Brak Show Starring Brak, the second of which was a variety show that — indeed — had guests).
Ho Yay: The crew make Joe have a serious crush on Cal.
Memetic Mutation: Normal View... normal view... normal view... normal viiiiieew!
Mis-blamed: Joe Dante complains on the This Island Earth documentary about the film being unfairly edited down by The Brains to make the film look more like a weak film, and not make sense to moviegoers. The problem with this complaint is it wasn't The Brains' decision to edit the film down! It was Gramercy's decision to cut the film down (plus remove a couple host segments), because focus groups complained about the movie being too long.