"The Simpsons" All About Lisa (TV Episode 2008) - Dan Castellaneta as Homer Simpson, Krusty, Sideshow Mel, Red Carpet Announcer, Mr. Teeny, Leprechaun

Drew Carey : The thing about Krusty is that he's always on. To know exactly what he's on, you have to test his pee.

Homer Simpson : Ha-ha-ha! Pee!

Drew Carey : Seriously, test his pee. He's a danger to the community.
Homer Simpson : [to Bart] Son, stamp collecting is like life -- it stopped being fun a long time ago.
Sideshow Mel : Lisa, applause is an addition, like heroin -- or checking your e-mail.
Krusty the Clown : A famous entertainer once said that ninety percent of success is showing up on time. Sorry I'm four hours late.
Krusty the Clown : The new Krustketeer is... what was your kid's name again?

Nelson's Mother : Nelson Muntz!

Krusty the Clown : Wilbur Mudd!

Nelson Muntz : That's me! Here's Mudd in your eye!

[Hits kid in eye]
Sideshow Mel : Lisa didn't know it then, but she had just dipped her toe into the business of show. And it is a business, as you shall see in about three seconds, two, one...

[commercial break]
Krusty the Clown : I have pastrami on my teeth, and that's everyone's problem.

Dan Castellaneta: Homer Simpson, Krusty, Sideshow Mel, Red Carpet Announcer, Mr. Teeny, Leprechaun