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.
When Lily left in the middle of their fight, Marshall enlists Ted and Barney to figure out where she went.
Lily and Robin have a fight on the morning of the wedding and Barney could not decide which suit to wear. Meanwhile, even after Ted forbidden his friends to watch a certain movie, they could not resist.
How I Met Your Mother's 200th episode. Dedicated to all the near misses the mother had where she nearly met Ted.
Ted and Robin take advantage of Barney who drinks too much and get him to reveal his secrets. Meanwhile, Marshall tries to avoid fighting with Lily.
The entire episode revolves around Barney receiving a slap from Marshall. Marshall cooks up a long-winded story, and the entire gang goes along with it to scare Barney.
Barney becomes fixated on having his rehearsal dinner at a laser tag arena, much to Robin’s dismay. Meanwhile, Ted doesn’t come through on a promise, which aggravates Lily.
In a flashback episode, the gang ponders the future of the Ted, Robin and Barney love triangle, while Ted gets a call from an old "friend". Meanwhile, Barney accepts a series of challenges from Lily and Robin.
On their way to Long Island for their wedding weekend, Robin and Barney come across a startling family discovery. Meanwhile, Marshall sees something online that changes the course of his …