Check out the official trailer for the Netflix movie The Polka King starring Jack Black, Jenny Slate, Jason Schwartzman, and Jacki Weaver! Release Date: January 12, 2018 on Netflix The Polka King is an American comedy film directed and written by Maya Forbes and Wallace Wolodarsky. The film stars Jack Black, Jenny Slate, Jason Schwartzman, and Jacki Weaver. It premiered at the 2017 Sundance Film Festival on January 22, 2017. It will be released on Netflix on January 12, 2018.