Doug Takes the Case / Doug's Secret Song - S2-E1
Audio problem: Around 3 and a half minutes into the episode, Doug, as the Chameleon, says he has a good idea as to who would've taken BeeBe's radio. The end of this sentence is very unnaturally pitched up.
Doug Takes the Case / Doug's Secret Song - S2-E1
Other mistake: The framing of this entire episode is such that the edge of the animation cels is visible. Noted on Paramount+.