
Doctor said I can't go in the hot TUB.
The Big Bang Theory Season 9, Episode 16

So we go back to their place,
and then the six of us end up in a hot TUB.
The Big Bang Theory Season 3, Episode 3

(IMITATING HOWARD'S MOTHER)
"Howard, help me out of the TUB.
The Big Bang Theory Season 4, Episode 9

ls that the hot TUB?
The Big Bang Theory Season 10, Episode 5

Bounced right off the TUB.
The Big Bang Theory Season 2, Episode 12