Watch How I Met Your Mother Season 9 Episode 12 online via TV Fanatic with over 7 options to watch the How I Met Your Mother S9E12 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, Google Play, Hulu Plus, and Verizon On Demand.
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Lily is upset with Ted over a promise he made while Barney vies to play laser tag at the rehearsal dinner on How I Met Your Mother.