How I Met Your Mother

The gang tries to help Marshall get over Lily, especially when he finds a credit card bill that leads to a hotel in New York City where some of her charges are listed.

Barney works with Marshall on his bachelor skills, which include hitting on women. Lily is back from her venture. Robin helps her look for a new apartment but gets sick of hearing about San Francisco.

Ted's parents visit New York for their anniversary and he learns a family secret. Robin worries that they won't like her. Lily and Marshall try to adjust to the new format of their relationship now that they are no longer together.

After Ted and Robin's first big fight, Barney tries to convince Ted that being an architect is an easy in to picking up chicks. Lily and Robin start following his trail after discovering that Ted hit it off with a girl named Anna shortly afterward.

Marshall tries to get used to being single in a world that is very coupled-oriented. Barney intended one-night-stand won't go away. Barney uses Lily to get out of his "horrifying" situation. Lily finds a place to stay.

Barney seduces Marshall's law professor in hopes of getting her to grade more leniently. Lily takes a job at Ted's office, where she promptly steals to teach Ted's boss a lesson.