Episode Titles: Monster
You are viewing a list of 1 The Big Bang Theory episode featuring "Monster" in their title.
Season 6, Episode 17 - The Monster Isolation
Aired February 21, 2013
After his date walks out on him, Koothrappali withdraws from the world and hides out in his apartment. Meanwhile, Penny's acting skills impress Sheldon when he sees her in a play.