Robin is surprised by Barney atop her studio's building.

Marshall and Lily run into an old friend who is a bit of an oddball on How I Met Your Mother. "The Final Page, Part One" is the 11th episode of the show's eighth season.

Barney's relationship with Patrice has his friends concerned on How I Met Your Mother. "The Over-Correction" is the tenth episode of the show's eighth season.

Lily & Marshall realize Ted may have ulterior motives for being Marvin's nanny on How I Met Your Mother. "Lobster Crawl" is the ninth episode of the show's eighth season.

Marshall has to go up against an old law school friend during his biggest case on How I Met Your Mother. "Twelve Horny Women" is the eighth episode of the show's eighth season.

Barney works to get his groove back on the strip club circuit on How I Met Your Mother. "The Stamp Tramp" is the seventh episode of the show's eighth season.

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.

Barney looks for a dog to be his new wingman on How I Met Your Mother. "An Autumn of Breakups" is the fifth episode of the show's eighth season.

Lily and Marshall test their friends to find out who would make the best godparents to Marvin on How I Met Your Mother. "Who Wants To Be a Godparent" is the fourth episode of the show's eighth season.

Lily talks to her father about trying to find a nanny for the new baby on How I Met Your Mother. "Nannies" is the third episode of the show's eighth season.

Barney shares his pre-nup demands with Quinn on How I Met Your Mother. "The Pre-Nup" is the second episode of the show's eighth season.

Ted reacts in this scene from the How I Met Your Mother season premiere. It was a major episode for the series.