When does Stuck in the Middle return?

Stuck in the Middle premiered on Disney Channel on February 14, 2016. The series focuses on Jenna Ortega as Harley Diaz, who invents many gadgets to deal with living in a large family. After three seasons and 57 episodes, the series concluded with the episode "Stuck in Harley's Quinceañera" on July 23, 2018.
Set in Massachusetts, in the fictional town of Marshport, the series tells the story of the Diaz family, specifically focusing on Harley, the middle of the seven children. Harley makes her way using her creativity to deal with living in a large family.