Supergirl 6×19 “The Last Gauntlet” & 6×20 “Kara” Sneak Peek (Series Finale) – THE PENULTIMATE EPISODE KICKS OFF THE TWO-HOUR FINALE FOR “SUPERGIRL” – In the penultimate buildup to the season finale, Supergirl (Melissa Benoist) and the super friends take drastic action after a loved one is kidnapped by Nyxly (Peta Sergeant) and Lex (guest star Jon Cryer). An unlikely ally steps in to help the team. The episode was directed by Glen Winter with story by J. Holtham and teleplay by Derek Simon & Jay Faerber (619). Original airdate 11/9/2021. Supergirl 6×20 “Kara” (Series Finale) – THE EPIC SERIES FINALE BRINGS BACK FAMILIAR FACES AND FEATURES A BEAUTIFUL WEDDING – In the epic series finale, Supergirl (Melissa Benoist) is joined by familiar faces from the past to help her stop Lex (guest star Jon Cryer) and Nyxly (Peta Sergeant) for good. Meanwhile, Alex (Chyler Leigh) and Kelly (Azie Tesfai) prepare to walk down the aisle. Mehcad Brooks, Jeremy Jordan and Chris Wood return for the series finale. The episode was directed by Jesse Warn with story by Robert Rovner & Jessica Queller and teleplay by Rob Wright & Derek Simon (620). Original airdate 11/9/2021.