Watch How I Met Your Mother Season 5 Episode 18 online via TV Fanatic with over 8 options to watch the How I Met Your Mother S5E18 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, Netflix, YouTube Purchase, Google Play, FX, and Verizon On Demand.
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In "Say Cheese", it is Lily's birthday and history repeats itself when Ted brings another random girl to one of their group only functions. Read our full recap to find out what happened!