Description
Due to being a massive fan of The Amazing World of Gumball, and having watched every episode of the show, I can deduce that in order to understand the show's meta canon and background details, it is necessary to watch THESE episodes of the show. The Pressure - Explains Molly, Molly’s Treehouse, and shows Gumball and Penny’s relationship
The Job - First shows the WEIRDNESS of Gumball’s world.
Halloween - Introduces Darwin and Carrie’s relationship, which comes back in The Oracle
The Pony - Introduces Rob and his reason for his forgettable-ness and disliking Gumball and Darwin
The Sweaters - Introduces Sarah and her like of Gumball and Darwin due to being the first people to talk to her in school
The Internet - Introduces The Internet/Timmy, who comes back in The Spinoffs
The Kids - Changes Gumball and Darwin’s voice actors
The Fan - Shows Sarah’s obsession with Gumball and Darwin
The Puppy - Introduces The Awesome Store
The Void - Introduces The Void
The Shell - Changes Penny’s appearance and her relationship with Gumball, as well as showing Banana Barbara’s Foreshadow abilities
The Oracle - Shows more of Banana Barbara’s abilities and foreshadows the Movie or Season 7
The Nobody - Shows more of Rob, and introduces him as the main antagonist
The Nemesis - Adds more to Rob and gives him the nickname Doctor Wrecker, and alternative voice
The Uploads - Adds a joke about the Gumball movie and has easter eggs to Sarah and Rob
The Origins - Features the backstory of Gumball and Darwin and introduces The Awesome Store Salesman and shows the inside of The Awesome Store
The Origins Part 2- Shows how Darwin got his lungs and legs and how he and Gumball became best friends.
The Signal - Shows more glitchy aspects about the world and sees Gumball and Darwin become self-aware for a short time
The Bus - Shows more Rob and his reason for being evil
The Disaster - Shows Rob becoming aware of the world being fictional and shows more of The Awesome Store and The Void
The Re-Run - Shows Gumball and Rob making amends for a short time, and the void returns
The Choices - Shows how Nicole and Richard met
The Copycats - Has Gumball and Darwin’s voice actors once again change
The Console - Has The Awesome Store’s name said for the first time, and has Gumball confront The Awesome Store
The Ex - Shows Gumball and Rob becoming enemies again
The Vegging - Shows easter eggs to The Void, and perhaps to Banana Barbara or Rob
The Anybody - Has Darwin’s voice actor change
The Shippening - Shows more about The Awesome Store and Sarah
The Spinoffs - Shows Rob being self-aware and using The Internet
The Possession - has the final appearance of The Awesome Store and reveals how The Watterson’s got their fridge
The Future - Shows more of Banana Barbara’s abilities and Rob being self-aware, and it foreshadows The Inquisition
The Inquisition - Shows Rob’s plan and foreshadows the movie and/or season 7
Al rights to The Amazing World of Gumball belong to Ben Bocquelet, Cartoon Network, and, uh, whatever, Warner Bros.