How I Met Your Mother 4x21
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.
How I Met Your Mother season 4
- 4x1Do I Know You?Sep 22, 2008
- 4x2The Best Burger in New YorkSep 29, 2008
- 4x3I Heart NJOct 06, 2008
- 4x4InterventionOct 13, 2008
- 4x5Shelter IslandOct 20, 2008
- 4x6Happily Ever AfterNov 03, 2008
- 4x7Not a Father's DayNov 10, 2008
- 4x8--Nov 17, 2008
- 4x9The Naked ManNov 24, 2008
- 4x10The FightDec 08, 2008
- 4x11Little MinnesotaDec 15, 2008
- 4x12BenefitsJan 12, 2009
- 4x13Three Days of SnowJan 19, 2009
- 4x14The PossimpibleFeb 02, 2009
- 4x15The StinsonsMar 02, 2009
- 4x16Sorry, BroMar 09, 2009
- 4x17The Front PorchMar 16, 2009
- 4x18Old King ClancyMar 23, 2009
- 4x19MurtaughMar 30, 2009
- 4x20Mosbius DesignsApr 13, 2009
- 4x21The Three Days RuleApr 27, 2009
- 4x22Right Place, Right TimeMay 04, 2009
- 4x23As Fast as She CanMay 11, 2009
- 4x24The LeapMay 18, 2009