Audio problem: When Val is smacking Adam's bottom the audio is over dubbed.
Audio problem: When Bob is being offered to drink from Beta, Bob asks which end to drink from and Pud responds "Dealer's choice." However it's Hefty Jeff's voice instead of Pud. (00:05:49)
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 Cubicle - S6-E12
Audio problem: As Robby plays the "Seinfeld" theme song on bass, the last few notes are ascending. However, his finger placement on the strings are in the position to play lower and lower notes. (00:05:20)