Lily worries about what will become of her and Marshall if she takes a job in Rome on How I Met Your Mother. "Romeward Bound" is the 21st episode of the show's eighth season.

Ted worries when the Captain contacts him out of the blue on How I Met Your Mother. "The Ashtray" is the 17th episode of the show's eighth season.

Will Robin finally hold baby Marvin for the first time on How I Met Your Mother. "Bad Crazy" is the 16th episode of the show's eighth season.

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.

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.

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.

This photo says it all, doesn't it? We have a new member of the How I Met Your Mother family.

Ted and Robin scream encouragement here, as Lily goes through the miracle of child birth. The painful miracle, that is.

Lily is comforted by her dad while giving birth in this scene. Well, comforted might not be the proper word choice...

It's labor time for Lily! She has her baby on the season finale of How I Met Your Mother.

Well, this is awkward... and hilarious. Barney is in bed with Lily and Marshall.