Watch How I Met Your Mother Season 9 Episode 8 online via TV Fanatic with over 6 options to watch the How I Met Your Mother S9E8 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, Google Play, and Amazon Prime.
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Ted takes Cassie on a date to the lighthouse while Barney ends up in the middle when Robin and his mother continue to argue on How I Met Your Mother.