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Watch How I Met Your Mother Season 4 Episode 1 online via TV Fanatic with over 3 options to watch the How I Met Your Mother S4E1 full episode. Affiliates with free and paid streaming include Amazon, iTunes, and Amazon Prime.
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Stella says yes to marrying Ted, but Ted soon realizes he barely knows Stella. Barney realizes he's in love with Robin and Lily sets him up on a date with her.