clearly you've never
seen me play the CELLO.
The Big Bang Theory Season 7, Episode 6
Are you cool
playing the CELLO?
The Big Bang Theory Season 7, Episode 6
Leonard, you'll play your CELLO.
The Big Bang Theory Season 2, Episode 12
This one birthday,
I came home from my CELLO lesson...
The Big Bang Theory Season 1, Episode 16
You mean my CELLO.
The Big Bang Theory Season 1, Episode 5