Superheroes TV Supergirl season 5 (trailer). September 24, 2019 ColonelFrog SUPERGIRL 0 min read Ah yes, Supergirl’s 5th season is coming back at us with the speed of a bullet on Sunday October 6th 2019 on The CW. And the price of kryptonite creeps up on the international metals exchange! Supergirl (5th season DC TV series trailer).