Season 9, Episode 22 -"The End of the Aisle " -With only a half-hour to go, both Barney and Robin have panic attacks about their upcoming nuptials. Meanwhile, Marshall and Lily rewrite their old wedding vows
The first time I watched it all the way from beginning to end, I really loved it. After seeing it so many times, though, it's just okay. They left a lot of things open, and some things didn't make sense. In general, though, it's really funny!