• Best Prom Ever- Season One, Episode 20

Verve Pipe's The Freshman playing at Lily's prom, then we find out Marshall and Lily's song is the Violent Femmes' Good Feeling

• Come On- Season One, Episode 22

This Modern Love by Bloc Party is playing- Ted finds Marshall on the steps after Lily left.

• Swarley- Season Two, Episode Seven

When they play the Cheers theme song at the bar. And well, every time they call Swarley Swarley.

• Stuff- Season Two, Episode 16

Marshall gives Barney slap number two

• Ten Sessions- Season Three, Episode 13

The two minute date.

• Miracles- Season Three, Episode 20

When the audience realizes Barney loves Robin.

• Happily Ever After- Season Four, Episode Six

Better by Regina Spektor is playing- Ted lets go of his anger towards Stella.

• The Leap- Season Four, Episode 24

Corny, but when everyone makes the leap

• Bad News- Season Six, Episode 13

When Marshall finds out his dad died. I know this is a really sad moment, but it just really got to me. I love when television can do that, it's a rare thing.

• Last Words- Season Six, Episode 14

Marshall's mom says Lily looks like a "Kansas City whore."