The Thrice Cream Man/The Flibber-Flabber Diet - S1-E7
Other mistake: In "The Flibber-Flabber Diet," Chowder and Truffles return when Mung calls them. How could they hear him when they'd already left?
Chowder (2007)
1 other mistake in season 1
Starring: Tara Strong, John DiMaggio, Dwight Schultz, Nicky Jones
Burple Nurples/Shnitzel Makes a Deposit - S1-E2
Continuity mistake: In "Burple Nurples", Chowder is showing Gorgonzola the Burple Nurples, and there are houses and shops not too far behind Gorgonzola. Later, the camera zooms out, and the buildings are missing.
Grubble Gum/The Cinnamini Monster - S1-E3
Mung: We need more spice!
Truffles: Well, I'm glad one of us finally acknowledged it.