Episode Summary : Robin and Lily try to create the perfect cocktail to diffuse an argument over the Arcadian between Barney and Marshall. Meanwhile, Ted prepares for a weekend getaway with Zoey.
Episode Summary : When Barney tries to bond with his father, he asks the gang to help make his life seem more exciting by lying about their own lives. Meanwhile, Robin runs into a guy she has a crush on.
Episode Summary : Marshall resigns from GNB to volunteer for the environment, much to Lily and Barney's dismay. Ted and Zoey have conflicting views on the Arcadian's future.
Episode Summary : Barney meets his father and is shocked by the differences in their lives. The rest of the gang learn their "gaps", knowledge they should have by now, but don't.
Episode Summary : When Barney starts to have real feelings for Nora, he worries that there is something wrong with his heart. Meanwhile, Robyn starts dating a guy who acts a lot like a dog.
Episode Summary : After Marshall sees a documentary about garbage, he becomes fixated on saving the environment. Meanwhile, Ted runs into Zoey's ex-husband, The Captain, and Robin forces Barney to admit he has feelings for Nora, the girl who made history as his first Valentine's Day date ever.
Episode Summary : Barney names February 13th "Desperation Day" in honor of desperately lonely women. Meanwhile, Marshall is surprised by Lily's Valentine's Day gift, Ted and Zoey work through their feelings for one another, and Robin gets together with her girlfriends.
Episode Summary : Whed Ted is fixed up with Zoey's cousin, it leads to her naivety earning her the nickname "Honey" and Ted realizing he has feelings for Zoey. Meanwhile, Barney tries to get to know Honey better himself.
Episode Summary : The gang travels home to Minnesota with Marshall where Ted and Barney will stop at nothing to make Marshall laugh. Meanwhile, Marshall has an unfortunate meeting with an old high school bully that terrorized him throughout his youth.
Episode Summary : When Marshall and Lily fear they will never get pregnant, they see a specialist who can hopefully help move the process along. Meanwhile, Robin starts her new job.
Episode Summary : The gang enters self-reflection due to news Marshall and Lily get. Robin starts at anew job, Ted gears up to be Punchy's best man, and Barney gets into the Christmas spirit.
Episode Summary : As Ted and Zoey test whether a guy and a married woman can be friends, he tries to befriend her husband as well. Marshall and Lily try to have some alone time.
Episode Summary : When the rest of the gang misses Ted's Thanksgiving feast due to partying with bad-luck pal The Blitz, Ted ends up dining with Zoey. [source: tv.com]