The early reel episode of The Amazing World of Gumball was never aired. It is currently uploaded in Ben's Twitter as of 1/18/13.
Gumball and Darwin build a Rube Goldberg machine in an attempt to escape from school.
- Masami has a thicker outline and Alan's face is drawn differently in this episode.
- Many characters make a debut in this episode.
- Gumball appears to have a square head and a yellow jacket, while Darwin is much smaller, a darker shade of orange, and is animated with CGI.
- It was uploaded to YouTube in 2010, but Cartoon Network took it down due to copyright reasons.
- Ben Bocquelet said he might add the episode as a special feature on a possibly upcoming The Amazing World of Gumball DVD release if another one comes out, since it didn't make the first and second one.
- Many characters use old designs in this episode, making this, "The Mystery" and "The Curse" the only episodes in which characters use old designs.
- A link to Gumball's 2007-2008 designs that were used in this episode can be found below.
- Nicky Jones, famous for the voice acting on the show "Chowder," voices Gumball in this episode, but in the actual series, Logan Grove does the voice of Gumball in season 2 and Jacob Hopkins does the voice of Gumball in season 3.
- In this episode we see Masami kissing Alan, but in the actual series, it has been shown that Carmen and Alan love each other.
- According to the plan drawn in chalk by Gumball and Darwin, Teri was originally a boy.
- Ben Bocquelet uploaded the video to his Twitter, two years after it was created.
- Gumball appears to be very intelligent in this video, judging by the plan drawn out in chalk.
- Rocky appears to have an allergic reaction to pollen.
- Carrie is much, much fatter in her appearance.
- Leslie has blue petals in this episode, but in the actual series, he has pink petals.
- In the shot where Gumball smiles at Darwin, the other characters in the background are missing.
- If you look very closely in the scene where Tina is catching the steak, Leslie's petals change from pink to blue.
- In some scenes, the characters are there, but not moving.
- When Gumball and Darwin are launched at Hector's butt, Gumball disappears for a couple split seconds.