How I Met Your Mother Season 4 Episode 21 - The Three Days Rule

Episode Name: The Three Days Rule
Episode Season/Number: Season 4, Episode 21
Originally Aired: April 27, 2009

Plot Overview:
When Ted violates the ‘three days rule’ by continually texting with a girl he’s just met, Barney and Marshall retaliate by impersonating her.

Click Here To Watch Full Screen

Related posts:

1. How I Met Your Mother Season 5 Episode 4 - The Sexless Innkeeper
2. How I Met Your Mother Season 5 Episode 2 - Double Date
3. How I Met Your Mother Season 5 Episode 6 - Bagpipes
4. Gossip Girl Season 3 Episode 10 - The Last Days of Disco Stick
5. How I Met Your Mother Season 5 Episode 3 - Robin 101