
He must be wearing a tinfoil HAT
or something.
The Big Bang Theory Season 6, Episode 6

If to the HAT you don
while wearing a nightshirt...
The Big Bang Theory Season 4, Episode 21

I can't believe
you bought a red cowboy HAT.
The Big Bang Theory Season 3, Episode 1

Maybe pick names out of a HAT.
The Big Bang Theory Season 7, Episode 3

A gold dragon to
whoever knocks my fool's HAT off.
Game of Thrones Season 4, Episode 2