- Now, hold on to your HAT.
- Oh.
The Big Bang Theory Season 6, Episode 4
If to the HAT you don
while wearing a nightshirt...
The Big Bang Theory Season 4, Episode 21
And a pointy HAT
sticking out of your eyeball.
The Big Bang Theory Season 8, Episode 22
Maybe pick names out of a HAT.
The Big Bang Theory Season 7, Episode 3
a Helmet of Confusion spell
on Billy the Kid's cowboy HAT?
The Big Bang Theory Season 5, Episode 10