Robin is determined to get Barney back no matter what it takes. Meanwhile, Ted fills in as Marvin’s Nanny, leading Marshall and Lily to realize that Ted is using baby Marvin to replace his other baby, the GNB building.
| Creator | Craig Thomas |
|---|---|
| Actor | Josh Radnor, Neil Patrick Harris, Jason Segel |
| Country | United States of America |
| Production | Carter Bays |
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