The Big Bang Theory Quiz: In Which Episode Did It Happen?

Penny Sheldon Leonard - The Big Bang Theory
CBS

6. Sheldon Cleans Penny’s Apartment Without Her Permission While She Is Sleeping In The Next Room.

The Fuzzy Boots Corollary

The Big Bran Hypothesis
Contributor

Brian Uthar hasn't written a bio just yet, but if they had... it would appear here.