Aired Saturday December 4, 5:45am - 6:10amon E4 +1

How I Met Your Mother

Series 4 Episode 21: The Three Days Rule

Ted's friends pressure him into waiting three days before calling Holly, a girl he likes, on a date but while he does this, he insists on sending her text messages whereby he gets into a text conversation with her. It's going well until he discovers that someone else is getting the texts he intended for Holly: Barney.

Original air date
Cast and crew
  • Pamela FrymanDirector
  • Josh RadnorTed Mosby
  • Jason SegelMarshall Erikson
  • Neil HarrisBarney Stinson
  • Alyson HanniganLily Aldrin
  • Cobie SmuldersRobin Sherbatsky
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