The Flash 3×17 “Duet” Musical Crossover Promo
Watch the preview below for the musical crossover of Supergirl and The Flash. The musical crossover kicks off Monday, March 20th with Supergirl, “Star Crossed”: A new villain (guest star Teri Hatcher) comes to National City, putting Supergirl (Melissa Benoist) on high alert. Meanwhile, Winn’s (Jeremy Jordan) girlfriend, Lyra (guest star Tamzin Merchant), gets Winn in […]