Marshall and Lily make a secret pact to start trying to have a baby if they ever finally see Barney’s doppelganger. Meanwhile, Robin finally gets an offer for her dream job.

When Ted takes a date to see a new hit movie, “The Wedding Bride,” he is shocked to learn the story is loosely based on his life, and that it was written by Tony, the man Stella left him for at the altar.

When Ted, Marshall, Lily and Barney crash a highfalutin party at a swanky New York apartment, Ted gets the chance to mingle with the snooty guests and show off his intellectual side.

When Ted and Barney jeopardize Robin’s new relationship by professing their love for her, Robin realizes that she is finally over them. Meanwhile, after spending a weekend sleeping in twin beds, Marshall and Lily decide to get twin beds at home.

When Ted attends his mother’s wedding, he is extremely disturbed by her overly affectionate relationship with her fianc, which forces him to think about his own life and make an impulsive decision

When Marshall gets mugged, Lily decides she wants to get a gun for protection, so Marshall comes up with a convoluted story about the mugging to deter Lily from following through.

Lily’s furious when Ted brings a date to her birthday dinner.

Robin consults a self-help guru to help resolve her anger towards Barney and his behavior during their break-up.

When the gang tries to convince Ted that he is being strung along by Tiffany, they reflect about relationships where each of them has been in the same situation.

Marshall and Lily set up Ted with one of Barney’s discards as a Valentine’s Day date. Meanwhile, Robin’s invited to a party by a co-worker.