Watch ‘Supergirl’ Preview Tuesday

TUESDAY, NOVEMBER 9 SUPERGIRL “The Last Gauntlet” — (8:00-9:00 p.m. ET) (TV- PG, V) (HDTV) 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...