
Hi, Leo, how are you feeling?
The Big Bang Theory Season 1, Episode 10

Of course not, there's no cousin Leo,
there's no intervention.
The Big Bang Theory Season 1, Episode 10

I am Sheldon's cousin Leo.
The Big Bang Theory Season 1, Episode 10

Leo, you are a very sweet,
really funny guy.
The Big Bang Theory Season 1, Episode 10

Sheldon does not have a cousin Leo.
The Big Bang Theory Season 1, Episode 10