According to pwtorch, the first season of WWE Saturday Morning Slam has ended after 38 episodes. On Saturday, the CW is advertising a second episode of Dragon Ball Z Kai in place of Saturday Morning Slam.
WWE Saturday Morning Slam started airing in August of 2012, and the 30-minute show lasted for 38 episodes. While nothing has been confirmed, there is a possibility that the show will return for a second season in the early fall.