In a black-and-white art deco fantasy sequence, Will and Emma duet Fred Astaire-style to "You're All the World to Me" from Royal Wedding, singing and dancing on the walls and ceiling. But Will wakes up with a start, revealing that it's all a dream after falling asleep with the TV on.
Will's inspired to assign his students a movie-themed assignment - singing songs from their favorite films - while Artie's already got movies on the mind and is about to make his first micro-budgeted film. Finn urges Will to amp up his search for Emma, but Will insists that she should have her space and that Emma will come back to him if and when she's ready. Sue reveals that Emma's used all her vacation days, but if she has any insight into her whereabouts, she refuses to tell Finn, so Artie advises him to pressure Emma's parents to give up her location.
Brittany and Blaine propose kicking off the glee club's guys vs. girls mash-up week with a shared movie number before the gender showdown, with Blaine offering up "Shout" as it appeared in National Lampoon's Animal House by Otis Day and the Knights (a performance that marks Glee's 500th musical number).
Santana suffers through a snowbound weekend in New York with her roommates geeking out over musical theater, and her open hostility unnerves Rachel - but not as much as her baby-themed movie marathon choices, as Rachel continues to sweat out the possibility that she's pregnant. Kurt opts for Moulin Rouge!, envisioning himself dueting with Blaine on "Come What May." Still, as they watch the real movie scene, Kurt tears up but tries to conceal the reason from possible new guy Adam, though Santana bluntly reveals that it was Kurt and Blaine's dream to sing the song to each other at their wedding.