Young Kara experiences kryptonite for the first time, Nia and Brainy are trapped by invading aliens, and a young Cat Grant may be the reason Supergirl never gets out of the Phantom Zone.

Movie rating: 7.3 / 10 (747)

Directed by: Jerry Siegel - Joe Shuster - Greg Berlanti - Ali Adler - Andrew Kreisberg - Rob Wright - Jessica Kardos - Nicki Holcomb

Writer credits: Jerry Siegel - Joe Shuster

Cast: Melissa Benoist - Chyler Leigh - Katie McGrath - Jesse Rath - Nicole Maines

AKA: Fort Rozz, Schott Through the Heart, Supergirl

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