While Ted, Barney, Marshall and Lily have a beer at the bar at 2am, Robin, who drops by the bar, has just woken up to start her new job at the morning show. Barney is relaying a story about Marshall at work that day, he who was getting dressed for work after a basketball game at the company gym when he realized that he forgot to bring his suit pants, meaning that he had to go to work wearing his athletic shorts. Barney plays a hand at what Marshall ultimately wore for the rest of the work day. And Ted is telling the gang that his old girlfriend Karen is in town. Karen was Ted's first real girlfriend in high school and through some of college. She was pretentious and chronically cheated on Ted, which are the primary reasons that Marshall and Lily hate her. But Ted always took her back when she came running. As Marshall and Lily try to persuade Ted not to fall into the same trap he always has with Karen let alone even see her, Ted fills in a few more of the blanks regarding what he has ... Written by
Did You Know?
Reference to previous episode: When Marshall says nothing interesting happened Robin answers: "Come on, you guys! You are four young, active people, living in the most exciting city on earth". She's quoting Barney's gay brother, James, in How I Met Your Mother: Single Stamina
, after they refused to go out because it was winter. See more
Lily says that she painted Marshall naked because he ate her bowl of fruit, but previously Lily painted Marshall naked for a nude art class she wanted to take. See more
The story is already written. Ted is Charlie Brown and Karen is Lucy, and she's going to pull the football away and have sex with it.