How I Met Your Mother

The Three Days Rule

Season 4, Ep 21, Aired 4/27/09
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  • Episode Description
  • When Ted violates the 'three days rule' by continually texting with a girl he's just met, Barney and Marshall retaliate by impersonating her.

  • Cast & Crew
  • Josh Radnor

    Ted Mosby

  • Neil Patrick Harris

    Barney Stinson

  • Jason Segel

    Marshall Eriksen

  • Cobie Smulders

    Robin Scherbatsky

  • Rebecca Budig

    Holly

  • Fan Reviews (15)
  • The Three Days Rule

    By KwanHuiYap, May 19, 2014

  • Has a Always Sunny In Philadelphia feel

    By ZaleIsBackAgain, Apr 19, 2014

  • It's been three days

    By Lostindharma, Jan 28, 2013

  • Barney explains to Ted the "Three Days Rule" to Ted, but will Ted take his advice?

    By Jon_MW_14, Aug 26, 2011

  • Quite hilarious! I'll give you that much!

    By amazing_race, Jun 24, 2010

  • Trivia & Quotes
  • Quotes (11)

    • Ted: Hey! I got a new rule. It’s kinda crazy, but I call it “You like her, you call her.”
      Barney: I’m sorry, can you repeat that? I don’t speak “I never get laid.”

    • Future Ted: I started things off with something cute and charming: “I was thinking about you, so I thought I’d send you a little texty text”. And the moment I hit ‘send’, I realized, it wasn’t cute at all. It was the lamest thing anyone has ever sent to anyone. And the worst thing about texting is that once you send it, you can never get it back.

    • Marshall: Ted's got a lot of crazy stored up. We thought we'd get him to say 'I love you' before he even makes contact with this girl. Barney: And he's exhibiting all the tell-tale signs. Marshall: One: he joked about getting married. Barney: (Reading Ted's text) You like architecture? We should get married. Haha. LOL. Just kidding? Marshall: Two. He made a crazy way-too-soon trip suggestion. Barney: (Reading Ted's text) I like beer too. We should totally go to Germany together! LOL! JK. LOL! Marshall: Three. He got way too personal way too soon. Barney: (Reading Ted's text) Yeah, my parents got divorced a couple years back. It was really tough. LOL. Robin: And he clearly doesn't know what LOL means.

    • Holly: (In Ted's text) I do not ask of the night explanations. I wait for it. It envelops me. And so you and bread and light and shadow are. Stan: That's Pablo Neruda. Marshall: I, um, don't know what bread was doing in there, but that touched me. Here (taps chest) and here (Taps head) Barney: Well if Ted won't say it, I will. I love you. Stan: That's cool.

    • Barney: If there's one thing we know about Ted, it's that he likes a nice body. This body would rock his world! Marshall: Ted and I have a history. I know what he likes. There are things I could do to him that blow his mind... why do we keep trying to have sex with Ted? Barney: I don't know, it's weird.

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    Notes (3)

    • The German episode title is "Die Dreitageregel", and the Italian title is "La regola dei tre giorni", both exact translations. The French title is "J'ai fait un rêve", meaning "I Had a Dream".

    • International Airdates: Australia: June 8, 2009 on Channel 7; Germany: February 13, 2010 on ProSieben; United Kingdom: April 29, 2010 on E4; Czech Republic: November 25, 2010 on Prima COOL

    • Although credited, Alyson Hannigan does not appear in this episode due to her pregnancy.

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