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How I Met Your Mother: Season6 | Episode18
A Change of Heart
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.
S6 - E1Big Days Sep. 20, 2010
S6 - E2Cleaning House Sep. 27, 2010
S6 - E3Unfinished Oct. 04, 2010
S6 - E4Subway Wars Oct. 11, 2010
S6 - E5Architect of Destruction Oct. 18, 2010
S6 - E6Baby Talk Oct. 25, 2010
S6 - E7Canning Randy Nov. 01, 2010
S6 - E8Natural History Nov. 08, 2010
S6 - E9Glitter Nov. 15, 2010
S6 - E10Blitzgiving Nov. 22, 2010
S6 - E11The Mermaid Theory Dec. 06, 2010
S6 - E12False Positive Dec. 13, 2010
S6 - E13Bad News Jan. 03, 2011
S6 - E14Last Words Jan. 17, 2011
S6 - E15Oh Honey Feb. 07, 2011
S6 - E16Desperation Day Feb. 14, 2011
S6 - E17Garbage Island Feb. 21, 2011
S6 - E18A Change of Heart Feb. 28, 2011
S6 - E19Legendaddy Mar. 21, 2011
S6 - E20The Exploding Meatball Sub Apr. 11, 2011
S6 - E21Hopeless Apr. 18, 2011
S6 - E22The Perfect Cocktail May. 02, 2011
S6 - E23Landmarks May. 09, 2011
S6 - E24Challenge Accepted May. 16, 2011