When does A Pup Named Scooby-Doo return?

A Pup Named Scooby-Doo is an American animated mystery comedy series. It is the eighth incarnation of the Hanna-Barbera franchise. The series was developed by Tom Ruegger and premiered on September 10, 1988. It aired for three seasons on ABC until August 17, 1991. It depicts younger versions of the title character and his companions as they solve mysteries.