
...tending an herb garden
without wearing a HAT or sunblock?
The Big Bang Theory Season 4, Episode 20

It's also a HAT.
The Big Bang Theory Season 11, Episode 13

Your wands, your top HAT
with the stuffed mouse inside.
The Big Bang Theory Season 12, Episode 10

l ought to be wearing
a tinfoil HAT, you know?
Breaking Bad Season 4, Episode 7

- Now, hold on to your HAT.
- Oh.
The Big Bang Theory Season 6, Episode 4