9 Season
208 Episode
How I Met Your Mother - Season 4 Episode 21 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.
- Country : United States of America
- Genre : Comedy
- Director : Craig Thomas, Carter Bays
- Cast : Josh Radnor, Neil Patrick Harris, Jason Segel, Alyson Hannigan, Cobie Smulders, Cristin Milioti