A determined Robin goes to great lengths to get back together with Barney. Meanwhile, Ted substitutes as Marvin's nanny, leading Marshall and Lily to realize that Ted is using baby Marvin as a replacement for his other baby…the GNB building.
![]() Josh Radnor |
Ted Mosby |
![]() Jason Segel |
Marshall Eriksen |
![]() Neil Patrick Harris |
Barney Stinson |
![]() Alyson Hannigan |
Lily Aldrin |
![]() Cobie Smulders |
Robin Scherbatsky |
![]() Cornelius Peter |
Doctor |
Guest Star |
![]() Chelan Simmons |
Brandi |
Guest Star |
![]() Ellen D. Williams |
Patrice |
Guest Star |
S 9 : Ep 24
Aired 3/31/14
S 9 : Ep 23
Aired 3/31/14
S 9 : Ep 22
Aired 3/24/14
S 9 : Ep 21
Aired 3/17/14