Season 2|Episode 16 There's Something About Paulie
Season 5|Episode 10 Peter's Two Dads
He says a lot of things in that episode. Care to be more specific?
He doesn't. He says it to Chris in Season Three|Episode Five And The Wiener Is
April in Quahog
Thanksgiving
No Country for Old Men | Season 11 | Episode 22
"Death has a shadow", which happens to be the first ever episode of Family guy made
In 'Mr. Griffin goes to washington' (Season 3, episode 3.) Peter says all 50 states in less than a second and just yells aaahhh.
Peter Kay was in the episode Love & Monsters.
family guy season 8 episode 15 "Brian Griffin's House of Payne" total episode 141
Peter heals using the ability he absorbed from Claire.... he gazes up at claude and says - 'son of a bitch'
Sounds like you're referring to the episode 'Road to Rupert', in which Peter gets bored after losing his driver's license and watches Cheers, where he moves his face sideways to the front of the screen and says: "And Peter. Yeaah" when the people at the bar say: "Nooorm!" when Norm enters.