'Supergirl's' Melissa Benoist On 'The Flash' Musical Ep With Darren Criss & Grant Gustin

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'Supergirl's' Melissa Benoist On 'The Flash' Musical Ep With Darren Criss & Grant Gustin

At PaleyFest Los Angeles 2017, "Supergirl" star Melissa Benoist talks reuniting with her former "Glee" co-stars Grant Gustin and Darren Criss on Grant's series, "The Flash." What was the script for the upcoming musical episode like? And, on "Supergirl," how will Kara react to finding out Mon-El is the prince of Daxam. Plus, Melissa talks Teri Hatcher and Kevin Sorbo joining her CW series.


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