Season
Season 9 Episode
- Season 4 Do I Know You?
- Season 4 The Best Burger in New York
- Season 4 I Heart NJ
- Season 4 Intervention
- Season 4 Shelter Island
- Season 4 Happily Ever After
- Season 4 Not a Father's Day
- Season 4 Woooo!
- Season 4 The Naked Man
- Season 4 The Fight
- Season 4 Little Minnesota
- Season 4 Benefits
- Season 4 Three Days of Snow
- Season 4 The Possimpible
- Season 4 The Stinsons
- Season 4 Sorry, Bro
- Season 4 The Front Porch
- Season 4 Old King Clancy
- Season 4 Murtaugh
- Season 4 Mosbius Designs
- Season 4 The Three Days Rule
- Season 4 Right Place, Right Time
- Season 4 As Fast as She Can
- Season 4 The Leap
How I Met Your Mother - Season 4 Episode 21 The Three Days Rule
8.14 22 minutes Ted breaks one of Barney and Marshall's relationship rules, texting a woman he recently met, so the pair play a joke on Ted by pretending to be the woman.
