A picture of Barney with his father, Jerome (played by John Lithgow), from a scene from the How I Met Your Mother episode, "Hopeless."

Ted and Barney snuggle on How I Met Your Mother. Drinking heavily and missing Robin will do that to you.

Marshall and Lilly visited a specialist on the first episode of 2011. Do you recognize who portrayed this doctor?

Will Barney and Robin actually make it as a couple? How I Met Your Mother viewers will find out.

Barney helps Robin when she struggles to break up with Nick on How I Met Your Mother. "Splitsville" is the sixth episode of the show's eighth season.

Robin is not very happy at work. That's what happens when you have an annoyingly perky co-worker.

Whether Robin is ready to or not, Barney makes it obvious he's ready to use his playbook and move on from Robin.

Barney, Ted and Marshall stand around in this scene from "Unfinished." The former is trying to woo the latter for a job.

Robin and Barney hang at the bar in this scene from HIMYM. The latter likes what the former has to say.

A picture of Ted holding the infamous yellow umbrella from the Mother story. On last night's episode, "Right Place Right Time," Ted was holding it when he ran into someone very pivotal..

Barney manages to scare of Lily for the next four weeks when he tells the peanut butter versus jam joke. While we never get to hear the punchline we do get to hear a funny way to hide Alyson Hannigan's maternity leave.

The gang from How I Met Your Mother sits in the back seat of a limo for this promotional pictures from the hit CBS sitcom.