10, 2014, Cartoon Network announced several new series based on classic cartoons, including a new Scooby-Doo animated series titled Be Cool, Scooby-Doo!. The show features the gang "living it up" the summer after the gang's senior year of high school. Along the way, they run into monsters and mayhem. The series premiered October 5, 2015 on Cartoon Network and concluded on March 18, 2018. Scooby-Doo and Guess Who? The Scooby-Doo series Scooby-Doo and Guess Who? premiered on the Boomerang streaming service and app on June 27, 2019. It ran for two seasons, with the second half of the second season airing on HBO Max. The series features the Mystery Inc. gang teaming up with a variety of guest stars to solve mysteries. Guest stars included Halsey, Sia, Bill Nye, Mark Hamill, Neil deGrasse Tyson, Ricky Gervais, Kenan Thompson, and Chris Paul. The series also includes fictional guest stars, including Steve Urkel (played by Jaleel White), Batman (played by Kevin Conroy), Wonder Woman, the Flash, and Sherlock Holmes. HBO Max years (2023–present) Velma Velma is an adult-oriented animated series which premiered on HBO Max on January 12, 2023. The series is a prequel to the main franchise, taking place before the formation of Mystery Inc., and does not include Scooby-Doo himself. Unlike in the previous series and films, the main characters (and main voice cast) in Velma are multi-racial. Scooby-Doo! and the Mystery Pups On May 23, 2022, it was announced that a CGI-animated adventure comedy preschool series starring Scooby-Doo and Shaggy titled Scooby-Doo! and the Mystery Pups will be released on HBO Max and Cartoonito in 2024. Film and rerun history Television films, reruns, and direct-to-video films From 1987 to 1988, Hanna-Barbera Productions produced Hanna-Barbera Superstars 10, a series of syndicated television films featuring their most popular characters, including Yogi Bear, Huckleberry Hound, The Flintstones, and The Jetsons. Scooby-Doo, Scrappy-Doo and Shaggy starred in three of these films: Scooby-Doo Meets the Boo Brothers (1987), Scooby-Doo and the Ghoul School (1988), and Scooby-Doo and the Reluctant Werewolf (1988). These three films took their tone from the early-1980s Scooby-Doo and Scrappy-Doo entries, and featured the characters encountering actual monsters and ghosts rather than masqueraded people. Scooby-Doo and Shaggy later appeared as the narrators of the television film Arabian Nights, originally broadcast by TBS in 1994, Don Messick's final outing as the original voice of Scooby-Doo. Reruns of Scooby-Doo have been in syndication