When does The Middle return?

The Middle (stylized as the middle.) is an American television sitcom that aired on ABC from September 30, 2009, to May 22, 2018. The series, set in Indiana, follows a lower middle class family living and facing the day-to-day struggles of home life, work, and raising children. A spin-off of the series, centered around Eden Sher's character, Sue Heck, was set to launch in 2019.
The series features Frances "Frankie" Heck, a middle class, middle aged, Midwestern woman and her husband Mike. They are the parents of three children, Axl (Charlie McDermott), Sue (Eden Sher), and Brick (Atticus Shaffer) The series is narrated by Frankie, initially an under-performing salesperson at a used-car dealership.