The Three Days Rule S21E21 - The Three Days Rule 2009
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.
- Released: 2009-04-27
- Runtime: 50 minutes
- Genre:
- Stars: Josh Radnor, Neil Patrick Harris, Jason Segel, Alyson Hannigan, Cobie Smulders
- Director: Pamela Fryman