The Season Finale of Supergirl 3x23 leaves us with one more surprise to ponder before Season 4. Will this be the Power Girl some were expecting at the end of season one (then revealed as Mon-El) or are they doing a proper Bizarro Supergirl (Although they already had an episode about that character)

Supergirl and her team take on Selena in an epic battle for Earth. Director: Jesse Warn Writers: Jerry Siegel (based on characters created by), Joe Shuster (based on characters created by) Stars: Melissa Benoist, Mehcad Brooks, Chyler Leigh

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