How I Met Your Mother - Season 6 Episode 13 - 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.
How I Met Your Mother - Season 6 Episode 14 - The gang goes to Minnesota with Marshall, who meets a bully who terrorized him in high school.
How I Met Your Mother - Season 6 Episode 15 - When Zoey fixes Ted up on a date with her cousin, the gang resorts to calling her "Honey" after learning how naive she is. Meanwhile, Ted calls an intervention on himself after having an epiphany about his feelings for Zoey, and Barney gets acquainted with Honey in Ted's place.
How I Met Your Mother - Season 6 Episode 16 - 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.
How I Met Your Mother - Season 6 Episode 17 - 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.
How I Met Your Mother - Season 6 Episode 18 - 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.
How I Met Your Mother - Season 6 Episode 19 - When Barney finally meets his father, he's surprised to learn how his life turned out. Meanwhile, the gang points out each other's "gaps," something they should know by adulthood but never learned.
How I Met Your Mother - Season 6 Episode 20 - Lily and Barney react badly when Marshall finally quits his job at Goliath National Bank to take a volunteer position at an environmental organization. Meanwhile, Ted and Zoey's opposing positions on the future of The Arcadian come between them.