Family Guy (1999)

Patriot Games - S4-E20

Factual error: The family stays briefly in a British apartment, however the plug sockets displayed are US standard, not UK.

mrsimon

When You Wish Upon a Weinstein - S3-E22

Peter Griffin: You better watch who you're calling a child Lois. Because if I'm a child then you know what that makes you? A paedophile, and I'll be damned if I'm gonna stand here and be lectured by a pervert.

Trivia: The voices of Brian, Stewie and Peter (as well as other minor characters) are all voiced by the creator, Seth Macfarlane.