‘Slap Bet’
Season 2, Episode 9 - Aired November 20, 2006
The gang are determined to uncover Robin's secret and find out why she doesn't want to go to a mall. Marshall and Barney make a "slap bet" on what Robin is hiding.
Quote from Marshall
Barney: Robin, please don't panic. I'm only going to show enough to prove to Marshall that I was right.
Ted: No, Barney, I said we're not watching this.
Robin: No, it's time. Look, I appreciate what you're trying to do but if it's out there, there's no point in trying to hide it anymore. Let's just watch it and be done with it. [Barney opens laptop]
Lily: Are you as terrified as I am?
Marshall: I don't wanna get slapped again.
Quote from Barney
Ted: I disagree. If there's some potential 'oh' moment, I want to know about it right away. I mean, what's the alternative?
[fantasy scene of Ted and Robin's wedding:]
Priest: I now pronounce you man and wife.
[Ted lifts Robin's veil]
Ted: I love you.
Robin: I used to be a dude.
Ted: Oh.