Barney uncovers the lost episode of Robin’s “Underneath the Tunes” as Robin Sparkles. Meanwhile, Marshall and Lily are concerned that Ted’s new girlfriend is a stalker.
Elenco:
Cobie Smulders
,
Josh Radnor
,
Neil Patrick Harris
,
Alyson Hannigan
,
Jason Segel
,
Bob Saget
,
Britney Spears
,
Candice Accola
,
Cristin Milioti
,
David Henrie
,
Lyndsy Fonseca
.
