The Rick and Morty character Bird Person is a parody of "The Hawk" from Buck Rogers

The Rick and Morty pilot was written in 6 hours

Rick and Morty co-creator Justin Roiland initially intended for Rick's actions to destroy the Earth in every episode

Justin Roiland, voice actor for Rick, had to burp so many times during the pilot episode that he developed a stomach ache so bad that he considered going to the hospital

Rick and Morty is based on the short "The Real Animated Adventures of Doc and Mharti", which was a parody of Back to the Future

The show’s creators met doing underground comedy in Los Angeles