Ted tries to stop Marshall from calling Lily but fails.
Victoria and Ted agree to move forward with their relationship.
Barney reveals that Mary is not a prostitute.
Marshall finally loses it when his law book gets ruined at their third party for the absent Robin.
Lily acts like Barney's wife in order to help him get rid of women he slept with the night before.
Barney finds out that Robin was never married, so he wins the slap bet, and Marshall must pay...three times.
Robin comes over after a night of drunk calls from Ted. Ted tries to hide his one night stand, Trudy, in the bedroom.
Barney attempts to pick up a girl with the line "Daddy's Home."
Marshall tells Ted that Robin wants him to go to a prom she is attending.
At the end of the night, Robin and Ted finally kiss.
Ted tells the story of the girl whose number he lost years ago.
Ted learns from Barney that he lit him on fire for drunk dialing Robin, and that he has a strange phone number written on his arm.
Ted points out to Marshal that his friend Brad is going through girlfriend withdrawal.
Ted shows Lily and Marshall that there's a strange girl sleeping in his bed, and Barney is sleeping in his tub.
Barney tells the story of how he came to be a suit wearing man.
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