Watch How I Met Your Mother Season 5 Episode 3 online via TV Fanatic with over 8 options to watch the How I Met Your Mother S5E3 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, Google Play, Hulu Plus, Amazon Prime, and Verizon On Demand.
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Robin thinks that Barney is cheating on her, when he's actually taking "Robin 101" classes from Ted.