It's still Marshall and Lily's big wedding day but now we're at the reception. Robin tries to tell a story but keeps getting interrupted. Barney tries his hardest to figure out Ted and Robin's secret.

Monk undergoes hypnotic therapy as treatment for his OCD. After a session, he adopts a more childlike personality. Meanwhile a soon-to-be divorced woman disappears and a murder occurs.

Robert and Amy exchange vows in a classic Barone family wedding ceremony.

While Akatsuki discuses the true goals of their organization, Naruto continues his training. Meanwhile, Tsunade receives the tragic news.

When Homer buys the 1,000,000th ice-cream cone at a local shop, he ends up on Kent Brockman's news program. When Brockman swears on live TV after coffee is spilled in his lap, Ned Flanders leads a crusade to clean up Springfield's airwaves, starting with getting Brockman fired. Then Homer once again saves the day.

The team is investigating the ongoing murders by a signature killer. The killer has some knowledge of forensics and has left little evidence behind. With the investigation somewhat stalled, the sheriff invites the FBI to join the case. This makes Grissom angry and it only gets worse when Sara offers to bait the killer.