Watch How I Met Your Mother Season 8 Episode 15 online via TV Fanatic with over 6 options to watch the How I Met Your Mother S8E15 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, Google Play, and Lifetime.
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Robin Sparkles is back! Barney uncovers the lost episode of "Underneath the Tunes" this week.