CW video taking viewers "inside" the Flash episode "Duet" & interview with Darren Criss
Screen captures from the preview trailer for the Flash musical crossover with Supergirl, titled "Duet"
Interview clips and preview scene from the Flash episode "Duet"
Eight teases about the Flash/Supergirl musical crossover titled "Duet"
Preview images and trailer for the Flash/Supergirl musical crossover "Duet"
Official CW description for the Flash/Supergirl musical crossover episode "Duet" guest starring Darren Criss as the Music Meister
Rachel Bloom of Crazy Ex-Girlfriend fame wrote a song for the Flash and Supergirl musical crossover.
Darren Criss has been cast as the Music Meister in the Flash/Supergirl musical crossover.
The CW has released details about the upcoming musical crossover between The Flash and Supergirl.
Preview trailer for the Flash and Supergirl crossover episode "Worlds Finest"