Watch How I Met Your Mother Season 2 Episode 19 online via TV Fanatic with over 8 options to watch the How I Met Your Mother S2E19 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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Marshall has his bachelor party, which Barney ruins. Lily has a bridal shower and Robin buys Lily a vibrator as a gift.