Audio problem: In "The Robot", Gumball whimpers while his mouth is open. He whimpers again, and this whimper sounds like the first one, except his mouth is closed.
The Amazing World of Gumball (2011)
1 audio problem in The Robot/The Picnic
Starring: Dan Russell, Kwesi Boakye, Logan Grove, Teresa Gallagher
The Microwave/The Meddler - S1-E17
Continuity mistake: In "The Meddler", Nicole is feeding Gumball food with a spoon and drops it on the table. The camera cuts to Darwin and then back, but the spoon is now gone.
Nicole Watterson: Well maybe it all comes back to the stupid name you gave me!
Gumball Watterson: Um, what's wrong with Nicole?
Nicole Watterson: Nicole is my middle name, my first name is DOCTOR!
Trivia: There is a three-eyed smiley face on Miss Simian's door, which is a reference to the 2001 film, "Evolution"