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IT'S PEANUT BUTTER JELLY TIME! When Peter is upset, Brian always knows the best way to cheer him up...
Memorable Brian dress up moment: "[wearing Lois' clothes] Oo, I have so much stuff to do today. I have to do laundry, then I have a piano lesson, then I have to make dinner; I am SO busy, better hurry!" - from Family Guy episode Breaking Out Is Hard to Do.