
- Good day, Amy Farrah Fowler.
- Good day, Sheldon Cooper.
The Big Bang Theory Season 4, Episode 3

Mrs. Cooper.
So nice to see you again.
The Big Bang Theory Season 5, Episode 6

Cooper.
Kripke. Come in.
The Big Bang Theory Season 5, Episode 17

This is Sheldon Cooper.
The Big Bang Theory Season 9, Episode 11

I saw you speak at Stanford
with Sheldon Cooper.
The Big Bang Theory Season 9, Episode 8