Sheldon deals with Leonard wanting to move in with Penny in the only way he knows how—by traveling back in time. Sort of.
Planning such illicit affairs usually involves booze, wild antics, and regrettable decisions. That said, allow us to offer some tips on how to throw a memorable stag and hen party, as inspired by The Big Bang Theory.
From fighting crime to standing up for what they believe in, these characters have shown tremendous courage.
Take a sneak peek at the next episode ("The Bachelor Party Corrosion") where the guys attempt to surprise Leonard with a bachelor party in Mexico.