Cartoon Network (UK & Ireland) late night slot. On 27 May 2000, the channel Boomerang was launched by Cartoon Network in the UK and Ireland, and most "classic" cartoons were moved from Cartoon Network to the new channel, which initially broadcast from 6am to 12am. On 1 October 2001, Boomerang became a 24-hour channel and the remaining "classic" cartoons (except for Looney Tunes, Tom and Jerry shorts, Thunderbirds, Danger Mouse, Scooby Doo, and The Flintstones, which remained until November 2002) like The Smurfs, also moved to Boomerang. On 24 May 2007, Cartoonito was launched as a pre-school channel replacing Toonami. The channel aired from 4am
Hero High Hero High Hero High was a cartoon and live action series created by Filmation that aired as part of NBC's "The Kid Super Power Hour with Shazam!" It was about a high school where young superheroes were taught how to use their powers and fight crime. Originally intended to be a new entry in Filmation's long-running line of "Archie" cartoon series, the 1981 series was altered at the last minute because the company's rights to the "Archie" characters had expired and new characters had to be created; nevertheless, one can easily tell which of these new characters was based upon