When does Lab Rats return?

Lab Rats is an American comedy television series that aired on Disney XD from February 27, 2012 to February 3, 2016. The series stars Billy Unger, Spencer Boldman, Kelli Berglund, Tyrel Jackson Williams, and Hal Sparks. A young teenager named Leo Dooley lives a normal life until the day his mother marries billionaire inventor Donald Davenport, with whom they move in. While trying to find his bedroom, Leo accidentally discovers teenage siblings with bionic superpowers living in his new basement.