It's off to Amish country for Peter and Lois on this episode. The Griffins don't exactly fit in to this world.
Added:

Family Guy Season 10 Episode 7 Quotes

"Wow! I had never believed in the Holocaust until now."

Peter

"Peaches, Ginger, Honey, Candy, Olive... oh you know what? This is the wrong journal..."

Quagmire