
- Here he comes.
- Right. Be POLITE.
The Big Bang Theory Season 10, Episode 9

Here comes our new boss. Be POLITE.
The Big Bang Theory Season 1, Episode 4

- Why?
- Because it's POLITE.
The Big Bang Theory Season 1, Episode 13

it's also POLITE to make sure
you're well-groomed down there.
The Big Bang Theory Season 12, Episode 2

Because you raised me
to be POLITE.
The Big Bang Theory Season 11, Episode 13