Ted asks Robin out on a date and she throws a drink in his face, after she says, "yes."
Lily talks Marshall into having sex by revealing she's not wearing underwear.
Ted and Marshall's sword fight over the apartment goes wrong when Lily gets stabbed.
Marshall bribes one of Lily's students to not tell him the Super Bowl score.
The gang's Super Bowl plans are preempted by some dead guy named Mark.
The gang makes fun of Marshall over the nude painting that Lily made of him.
Barney uses magic to impress a lady.
Lily and Robin find out that the man laying in bed is not Ted Mosby.
Robin comes over after a night of drunk calls from Ted. Ted tries to hide his one night stand, Trudy, in the bedroom.
Ted and Marshall discuss his imminent engagement.
Ted and Barney each tell their versions of how their party will turn out.
Victoria tells Ted that she doesn't want to ruin the night by kissing so she talks Ted into going only up to the lead of a kiss.
Barney's 'lemon law' backfires when a girl uses it on him.
Barney and Ted help Marshall get over Lily by calling her insulting names.
Marshall tells Ted that Robin wants him to go to a prom she is attending.