The third season of Superstore, the U.S. television series, was ordered on February 14, 2017. The season premiered on September 28, 2017, and contained 22 episodes. The series continues to air in the same timeslot Thursday at 8:00 PM, though the episode "Christmas Eve" aired on Tuesday, December 5. The season concluded on May 3, 2018. Superstore follows a group of employees working at Cloud 9, a fictional big-box store in St. Louis, Missouri. The ensemble and supporting cast features America Ferrera, Ben Feldman, Lauren Ash, Colton Dunn, Nico Santos, Nichole Bloom and Mark McKinney.