Rather than go to McLaren's, their usual hangout, Barney convinces Ted to go to the airport with him to "pick someone up". It turns out that they're there to pick up some girls. While doing this, they fly to Philadelphia, get arrested by airport security and that's when Ted starts to wonder why he ends up in these adventures with Barney. Meanwhile Marshall has studying to do, so Lily and Robin do a girls night out and Lily notices guys are buying drinks and try talking to Robin, so Lily starts to wonder what it would be like to have her engagement ring off, and with Marshall's "blessing", she takes it off. In the end, Lily realizes that things aren't all that great with the ring off and Ted understands why he goes on these adventures/misadventures with Barney. Written by
Did You Know?
Near the end of this episode Marshall comes into the bar and is saying that he is going to fight the gay guy, and then the guy tells him he's gay, and Marshall says he has never been in a fight before. But in episode 4.10 - The Fight, Marshall says he's been in plenty of fights. See more
Airport bar! Flight attendants, they'll get your tray table in it's full upright position. Say what?