The Slap Bet was a right granted to Marshall, after winning a bet with Barney about a secret Robin was keeping. After "officially" winning the bet, Marshall gets five slaps (see Pre-Official Slaps). He gains the right to three more slaps in Disaster Averted. The slaps are carried out from Slap Bet toThe End of the Aisle, with Lily serving as Slap Bet Commissioner.

The Slap Episodes

The slaps occurred in the following episodes:

  1. Slap Bet​​​​​​
  2. Stuff​​​​​​
  3. Slapsgiving
  4. Slapsgiving 2: Revenge of the Slap​​​​​​
  5. Disaster Averted
  6. Slapsgiving 3: Slappointment in Slapmarra
  7. The End of the Aisle

Pre-Official Slaps (Contains Spoilers)

Ted pressures Robin into telling her secret and she says it was that she was, and still is, married. Ted tells the gang and Marshall immediately slaps Barney (actual Slap one). Barney finds out (from Lily in her office as the Slap Bet Commissioner) that Robin lied and Marshall knew it, so she grants Barney three slaps, "one because you lied and two for being prematurely slapped". At which point Barney rifles off three slaps on Marshall.

Later Barney locates a video with Robin's true secret and after playing the first few minutes of it declares that it's porn and he's won. He then slaps Marshall AGAIN (making four for Barney). They continue playing the video and discover the secret actually was that she was a Canadian pop star named Robin Sparkles, much to her humiliation. With that, Lily determines that "a slap occurred without the permission of the Slap Bet Commissioner" and offers Barney the option "either 10 slaps right now in a row or 5 slaps that can be doled out at any point from here to eternity". Barney chose to have the 5 future slaps.

A few minutes later, when Barney's guard is down, Marshall delivers the first official slap.

Memorable Quotes

Barney: Ohhhh, your hand is monstrous.
Marshall: What would you expect? You've seen my penis.

Marshall: I can't help but notice that this isn't porn.
Lily: And yet a slap occurred without the permission of the Slap Bet Commissioner.
Marshall: Looks like somebody suffered from premature slapulation.


The Slaps

  • The first slap occurs during Slap Bet, when the gang is watching Let's Go to the Mall for the first time.
  • The second slap occurs when Barney forces the gang to watch his purposefully bad play, and Marshall gets up and slaps him to put an end to it.
  • The third slap occurs during the first Slapsgiving once the count down timer on slapcountdown.com runs up.
  • The fourth slap occurs during Slapsgiving 2: Revenge of the Slap, when Marshall offers to transfer the slap to someone else, but no one can bring themselves to slap Barney, each thinking someone else should get it. Marshall declares there would be no slap, before slapping Barney.
  • During Disaster Averted, Barney offers to let Marshall have an additional slap if he's allowed to take off the duck tie, but Marshall and Lily get Barney to agree to 3 slaps instead. Barney takes off the tie and quickly realizes his mistake too late before Marshall slaps him twice.
  • In Slapsgiving 3: Slappointment in Slapmarra, Marshall tells Barney how he trained to perform the Slap of A Million Exploding Suns. When Marshall finishes the story, he slaps Barney.
  • In The End of the Aisle, Barney begins freaking out during his wedding and Marshall uses the last slap to calm him down.

Notes

  • Marshall had mentioned that he and his brothers used to do slap bets when they were kids.
  • In Bagpipes, Ted and Marshall also make a bet and Ted slaps Marshall after winning.

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