My Tivo records all Seinfeld episodes on TV, and I watched a gem last night. I've seen it a bunch of times, but the scene where George insists on jerkstore and puts his arms down when he says it had me rolling. The whole episode is pure genius.
Hundreds of years from now when young minds at the top universities are studying the 'classics', I believe an entire semester will be taught on the clip starting at 1:07.