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How I Met Your Mother

S4-E21 The Three Days Rule

S4-E21 The Three Days Rule



Lily secretly applies for an art scholarship, while Ted receives a phone call from a dating agency claiming to have found his perfect match. However, he is forced to put the idea on hold because of his ever-present feelings for Robin. Meanwhile, Barney's prank war steps up a gear.

Cast & Crew

Barney Neil Patrick Harris
Marshall Jason Segel
Robin Cobie Smulders
Lily Alyson Hannigan
Ted Josh Radnor
Holly Rebecca Budig
Stan Kevin Michael Richardson
Bob Saget
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