This might be hard to hear, but Seinfeld turns 28 this year. That's right, 28. It's mind-boggling not just because of the year count, but also because the show is still so funny. How many times have you watched a rerun and laughed your ass off and caught a few new jokes? Seinfeld launched a ton of pop culture catchphrases and made weird situations relatable, so to celebrate the greatness of the series, we've rounded up 60 of the very best and funniest Seinfeld GIFs. If you have a door, close it now, because you're about to crack up.