TV Episode

How I Met Your Mother

Season 4 Episode 21 23 min

Currently watching

S4 E21: The Three Days Rule

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.

Season 4 Episode 21 of 24 tt0460649

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Season 4

88% complete for this season.

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Season 4 Episodes

24 episodes

E1 Do I Know You? E2 The Best Burger in New York E3 I Heart NJ E4 Intervention E5 Shelter Island E6 Happily Ever After E7 Not a Father's Day E8 Woooo! E9 The Naked Man E10 The Fight E11 Little Minnesota E12 Benefits E13 Three Days of Snow E14 The Possimpible E15 The Stinsons E16 Sorry, Bro E17 The Front Porch E18 Old King Clancy E19 Murtaugh E20 Mosbius Designs E21 The Three Days Rule E22 Right Place, Right Time E23 As Fast as She Can E24 The Leap

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