2. Mystery of the Urinal Deuce
Only South Park could take a matter as serious as the events of 9/11, and pair it up with a storyline about someone going number two in a school urinal. The interpretation of the Hardly boys and their raging clues, Mr Mackies hard-man persona failing and just resulting in making the kids laugh, Stan and Kyles journey to discover the secrets of 9/11 everything about this episode is just spot on.