"Sisters" is the nineteenth episode of the fifth season of the American fantasy drama series Once Upon a Time, which aired on April 24, 2016. In this episode, Regina and Cora work together to keep Zelena away from Hades; and James impersonates David. In flashbacks, Cora brings Zelena to the Enchanted Forest to save Regina's life. Plot Opening sequence An Underworld windmill is featured in the red-tinted forest.

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Not who you're looking for? Others named Sisters: American television series · 1973 film by Brian De Palma · 1996 debut studio album by A-mei · Lynne Cheney novel

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From Wikipedia (CC BY-SA 4.0).