Does anyone know this South Park episode?

It was an episode where stan kyle cartman and kenny were super hyper and jumping around the house یا something? The episode was in the 'fourth grade' intro. To be specific, the 'clip'of the episode I should say, was in the part where it کہا "more explosions " I don't know. I just REALLY REALLY wanna know the episode!! Someone answer please!!!!!!!?!!!