Superman, Shaggy and Scooby-Doo, and Tom and Jerry are not going away with the end of The WB; they'll be back for a five-hour animation block for the new CW in the fall.
The Hollywood Reporter says the kid's schedule will be named Too Big for Your TV and will feature four new series, four returning series and two series that will comprise of the Pillow Head Hour, a block of programming designed to meet federally mandated education and informational programming requirements.
The new series are Legion of Super Heroes which is based on the DC Comics characters and featuring Superboy, who would later grow up to become Superman, fighting evil in the 31st century; another is Shaggy and Scooby-Doo Get a Clue! featuring the duo solving more mysteries with the help of a transforming Mystery Machine. Finally, Tom and Jerry Tales, featuring the cat and mouse chasing each other in comedic cartoon shorts; all three are from Warner Bros. Animation.
The new season will begin in September.