James Earl Jones totally cracked us up on The Big Bang Theory. He guests here on Season 7.
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When he's closed out of Comic Con, Sheldon decides to create his own convention on The Big Bang Theory.
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The Big Bang Theory Season 7 Episode 14 Quotes

Raj: Anyone in?
All the Guys: No!
Sheldon: Do not stop refreshing your screens!
All the Guys: Refresh. Refresh. Refresh....
Penny: Yeah, this is not gonna be enough coffee.

Raj: Oh, I have to go to the bathroom so bad.
Sheldon: Every year! I told you, wear a diaper!
Raj: And I told you I get diaper rash!