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How I Met Your Mother

The Three Days Rule

SEASON 4 EPISODE 21

AIRDATE:Apr 27, 2009

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Season 4 Episode 21 Date: Apr 27, 2009

How I Met Your Mother: The Three Days Rule

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Full Episode Guide

Watch All 160 "How I Met Your Mother" Episodes

How I Met Your Mother: Season 4, Ep 16 - Sorry, Bro

Sorry, Bro

Season 4: Episode 16

How I Met Your Mother: Season 4, Ep 17 - The Front Porch

The Front Porch

Season 4: Episode 17

How I Met Your Mother: Season 4, Ep 18 - Old King Clancy

Old King Clancy

Season 4: Episode 18

How I Met Your Mother: Season 4, Ep 19 - Murtaugh

Murtaugh

Season 4: Episode 19

How I Met Your Mother: Season 4, Ep 20 - Mosbius Designs

Mosbius Designs

Season 4: Episode 20

How I Met Your Mother: Season 4, Ep 21 - The Three Days Rule

The Three Days Rule

Season 4: Episode 21

How I Met Your Mother: Season 4, Ep 22 - Right Place Right Time

Right Place Right Time

Season 4: Episode 22

How I Met Your Mother: Season 4, Ep 23 - As Fast As She Can

As Fast As She Can

Season 4: Episode 23

How I Met Your Mother: Season 4, Ep 24 - The Leap

The Leap

Season 4: Episode 24

How I Met Your Mother: Season 5, Ep 1 - Definitions

Definitions

Season 5: Episode 1

How I Met Your Mother: Season 5, Ep 2 - Double Date

Double Date

Season 5: Episode 2

Clips From This Episode

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How I Met Your Mother: Season 4, Ep 21 - Three Days Rule Promo (clip)

Three Days Rule Promo

Season 4: Episode 21

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Cast & Crew

Alyson Hannigan

Neil Patrick Harris

Bob Saget

Jason Segel

Kim Kardashian

Pamela Fryman

Josh Radnor

Cobie Smulders

Carter Bays

Craig Thomas

MORE CAST & CREW

Categories

Comedy»
Romantic Comedy

Comedy»
Sitcoms

Themes

buddies and gal pals, city living, jumping back into the dating world, relationship woes, Romantic Comedy, Sitcoms

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