South Park, Season 12

Dr. Doctor:
Little boy, are you sure you haven't taken it up the hoohoo just once or twice?

Kyle:
No! No, God damn it no! I'm telling you, you're wrong! There, there's no way I can have HIV! Unless maybe... [Kyle's eyes open wide at the realization that Cartman had deliberately infected him with the HIV virus] Oh my God. [his fear immediately turns into utter anger] THAT SON OF A BITCH!!!

[Kyle hops off the bed and rushes out the door, ready to kill Cartman]

Sheila:
Kyle? Kyle!

[cut to Cartman playing with the other kids on the school playground]

Cartman:
Pass me the ball! Pass me the ball, Craig, you stupid asshole! [Kyle furiously shoves him to the ground] Kyle, what the F?

Kyle:
[utterly and unstoppably furious] I'M GONNA KILL YOU, CARTMAN!!!

Cartman:
Kyle, what?

Stan:
What did he do?

Kyle:
WHY DO I HAVE HIV?!?!

Clyde:
....Oh.

Cartman:
Oh, you have HIV, huh Kyle? Guess it isn't so funny now, is it?

Kyle:
WHAT DID YOU DO?!?!

Cartman:
Nothing!

Kyle:
Then WHY did Butters say he helped you sneak into my room last Friday night?!

Cartman:
Aw, nice going Butters, ya big tattle-tale!

Kyle:
TATTLE-TALE?! DO YOU KNOW HOW SERIOUS THIS IS?!?!

Cartman:
Well, Kyle, maybe I was just trying to prove a p--

[Kyle snaps, lets out a primal scream, and starts beating the everloving shit out of Cartman, screaming that he hates him all the while, as the other students cheer him on]

Mr. Mackey:
[Approaches the fight] Hey! Hey, that's enough! Break it up, m'kay?! [tries to separate Kyle & Cartman] Break it up! Hm'kay?! [struggles, but ends up hoisting them away together at each other's throats] M'kay!