They're on a
CELEBRITY bus tour.
The Big Bang Theory Season 12, Episode 18
One of the worst things
about being a CELEBRITY
The Big Bang Theory Season 12, Episode 16
Which CELEBRITY would you say
I look like the most?
The Big Bang Theory Season 7, Episode 4
that curtain of fame
and CELEBRITY,
The Big Bang Theory Season 7, Episode 7
Then how come the biggest CELEBRITY
they could get for the cover is a molecule?
The Big Bang Theory Season 8, Episode 18