Continuity mistake: Patty's hair changes color many times throughout the episode. In some cases it's lighter, in other cases it's the normal color.
Doug (1991)
1 continuity mistake in season 5 - chronological order
Starring: Billy West, Becca Lish, Fred Newman
Doug to the Rescue / Doug's Cool Shoes - S1-E7
Continuity mistake: Doug's Cool Shoes: When Doug is buying shoes, the saleslady takes off Doug's sneaker and when it shows the shoebox, his other shoe is already in there.
Doug: Hi, Dale.
Dale Valentine: Hello, big nose.