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"
Grant Gustin talks about the many crossovers and reunions in the Flash musical 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
Darren Criss has been cast as the Music Meister in the Flash/Supergirl musical crossover.