

S01E20
Best Prom Ever
Aired May 1, 2006
Free, with no ads. Tick off what you watch and see what airs next.
Summary
Lily, Barney and Robin attend a high school prom to scout out a potential band for Lily and Marshall's wedding reception. In order to get in Lily and Robin pretend to be the dates of two kids who were going alone. Ted and Marshall are back at the apartment where they are preparing the invitations to be sent out.
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