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Watch How I Met Your Mother S4E1 • StreamFlix

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Season 4 · Episode 1

How I Met Your Mother: Do I Know You?

8.123mAired 2008-09-22

Ted and Stella get engaged, but Ted soon learns that he doesn't know anything about her. Meanwhile, Barney confesses to Lily that he's in love with Robin.

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Episodes

Season

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24 episodes

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