Doug Graduates / Doug's Bad Trip - S4-E11
Continuity mistake: Doug's Bad Trip: When the Funnies' car gets stuck in mud, Phil says he saw a gas station 10 miles back, and walks out of the car to go there. When Doug comes out of the car and follows him, the mud around the car is gone. When the Funnies try to push the car out, it's back. (00:21:46)
Doug Graduates / Doug's Bad Trip - S4-E11
Audio problem: Doug Graduates: When the kids are getting their diplomas at the graduation, as Patti says, "Where's Doug? He's gonna miss his turn," her mouth doesn't move. (00:10:13)