Riley Thomas Stewart

When the gang helps Barney's mother move, they learn that she has lied to him about events throughout his life; Robin oversells Ted to a blind date.

Barney tries to make his life seem more exciting as he bonds with his father (John Lithgow); Robin encounters a guy she likes.

The gang recognizes similarities between their significant other and their parents; a string of unfortunate events ruin Nora and Barney's evening of romance.

The hospital is locked down when a newborn disappears from the nursery; new insights about the team's personal lives, relationships and regrets surface.

The team hunts a suspect who impregnates young women, has them give birth and murders them.

A dead Navy captain dressed in an unusual costume underneath his uniform leads the team to discover a secret society; DiNozzo is forced to work with his ex-fiancee (Perrey Reeves).