
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

Well, on one hand, they filled
my TUB with scented oils
The Big Bang Theory Season 11, Episode 17

Hey, is there a trick
to getting it to switch from TUB to shower?
The Big Bang Theory Season 1, Episode 1

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