CUOCO:
Billy Bob Thornton. Does Penny live here?
The Big Bang Theory Season 12, Episode 24
"What the hell
is Billy the Kid doing
The Big Bang Theory Season 5, Episode 10
a Helmet of Confusion spell
on Billy the Kid's cowboy hat?
The Big Bang Theory Season 5, Episode 10
When I was five, Billy Sparks
put a Mexican peso up my nose.
The Big Bang Theory Season 5, Episode 12
This is Billy the Kid
we're talking about.
The Big Bang Theory Season 5, Episode 10