Tonight's the season finale of South Park, and the episode: "Guitar Queer-o."
Obsessed with the Guitar Hero video game, Stan and Kyle make a great team and score record points when they play. Stan realizes he has the potential for enormous success if he plays with another partner. He and Kyle break up, but without his friend, Stan quickly folds under the pressure of being a rock star.
In related news, the "Imaginationland/Kyle Sucks Cartman's Balls" trilogy was a ratings smash, and Comedy Central plans to release it by itself on DVD. (They'll probably include it in an eventual season box, too.)