Watch How I Met Your Mother Season 1 Episode 15 online via TV Fanatic with over 6 options to watch the How I Met Your Mother S1E15 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, Google Play, and Lifetime.
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The group has a scheduled game night and is set to play Marshall's made up "Marshgammon," when an embarrassing videotape of Barney's shows up.