The duo will join the comedy’s sixth season on its new home on Yahoo! Screen, TVguide has learned.

Brewster will play the role of Francesca “Frankie” Dart, described as a “consultant hired to help shape things up at the underachieving school.” Meanwhile, David will play Elroy Patashnik, described as a “retired scientist who comes to Greendale to reinvent himself.”

Season six will begin on November 17.