@HBO Max -Sheldon (Jim Parsons) and Leonard (Johnny Galecki) may be geniuses, but without their outgoing neighbor Penny (Kaley Cuoco) they’d be lost when it comes to social skills.
These "Big Bang Theory" quotes never get old. For this list, we’ll be looking at quips from all 12 seasons that gave us the best laughs. Our countdown includes Howard's survival training, Sheldon can't let go, Bernie's fake laugh, and more!