Stan discovers the boys don't want to hang out with him anymore.
The boys ditch Stan, while Sharon and Randy realize they've grown apart.
Randy performs with a special guest.
Stan's condition puts a damper on a day out with the boys.
The Doctor gives his diagnosis on Stan's condition.
In his debut performance, Randy unleashes a little "Rattlesnake" in his britches.
Randy and Sharon argue over the "quality" of the boys' music.
Randy bumps his first Tween Wave album, while the rest of South Park shares their opinion on the tre...
Everyone reflects on the changes around them.
Stan celebrates his 10th birthday with all the boys.
Everything is going to change...maybe?
The boys go to the movies, but Stan can't keep his mouth shut during the trailers.
Randy and Sharon argue about Stan's taste in music.