How do you meet girls playing the CELLO?
The Big Bang Theory Season 6, Episode 18
...building computers
or practicing your CELLO...
The Big Bang Theory Season 8, Episode 22
I guess he forgot that
I play the CELLO.
The Big Bang Theory Season 11, Episode 13
This one birthday,
I came home from my CELLO lesson...
The Big Bang Theory Season 1, Episode 16
...ever to be stuffed
into his own CELLO case.
The Big Bang Theory Season 4, Episode 18