When Barney starts to have real feelings for Nora, he worries that something is wrong with his heart. Meanwhile, Robin starts dating a guy who acts a lot like a dog.
| Title | A Change of Heart |
|---|---|
| Genres | Comedy |
| Release Date | 2011-02-28 |
| Episode Runtime | 00 Hours 22 Minutes |
| Season Number | 6 |
| Episode Number | 18 |
| Production Companies | Carter Bays, 20th Century Fox Television |
