Like when you were gonna make that PIE
The Big Bang Theory Season 9, Episode 12
...involving the words "PIE"
or "cheesecake."
The Big Bang Theory Season 4, Episode 4
Is it PIE and ice cream?
The Big Bang Theory Season 11, Episode 8
who isn't made of grease or PIE.
The Big Bang Theory Season 7, Episode 1
she's about to make a pecan PIE
The Big Bang Theory Season 5, Episode 6