Seinfeld, season 4, episode 17. The Outing.

Watching Seinfeld... again... Over and over... "The Outing" is a mindblowing episode! Now I get it, why "not that there's anything wrong with that" is a great catchphrase :) never laughed so hard. If you haven't seen, you still have a chance. :)

(pic from: http://suggestsmagic.wordpress.com/2011/11/28/big-bang-theory-is-a-seinfeld-copycat/)