Sandcastles in the Sand
Robin's musical past emerges again as the group learns of someone named Simon from Robin's past. Barney searches for more Robin Sparkles memorabilia.

Cast
Josh RadnorTed Mosby
Neil Patrick HarrisBarney Stinson
Jason SegelMarshall Eriksen
Alyson HanniganLily Aldrin
Cobie SmuldersRobin Scherbatsky
Cristin MiliotiTracy McConnellHow I Met Your Mother on tvt

