Ted and Robin kiss and decide to be "just friends."
Marshall finally loses it when his law book gets ruined at their third party for the absent Robin.
Lily talks Marshall into having sex by revealing she's not wearing underwear.
Ted and Barney each tell their versions of how their party will turn out.
Ted throws a party in hopes of seeing Robin again, but when she doesn't show up, he throws another party ... and another. Also available on Amazon Instant Video, iTunes and VUDU