How I Met Your Mother Season 4 Episode 21

How I Met Your Mother → Season 4 → Episode 21: The Three Days Rule
Ted gets around the three-day rule by texting a woman he just met, but he doesn't realize that he's actually texting Barney and Marshall.
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Watch The Three Days Rule
Air Date: 27 April 2009
Director: Pamela Fryman
Language: English
Runtime: 30 Minutes
More Info: IMDb

Cast: Josh Radnor, Jason Segel, Cobie Smulders, Neil Patrick Harris, Alyson Hannigan, Rebecca Budig, Kevin Michael Richardson, Bob Saget


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