When does Shimmer and Shine return?

The show is about twin genie sisters, Shimmer and Shine, who grant wishes for their human friend Leah. It premiered on Nickelodeon's Nick Jr. block on August 24, 2015, and ran for four seasons until February 9, 2020. The first season is set in the human world and focuses on a young girl named Leah. Each episode features Leah working together with the genies to resolve the problems they unintentionally cause.