ThunderCats (comics) are held prisoner in Castle Plundarr while Wilykit and Wilykat are the personal servants of Mumm-Ra. This storyline was distinctly more mature than many episodes of the series, with much harsher language such as "bastard" used by Mumm-Ra. Cheetara is depicted as holding a grudge against Lion-O for "abandoning" his friends and leaving her to be abused by the Mutants and WilyKat's corruption in the earlier mini-series takes greater form. Realizing he has betrayed his friends, the older cub flees when the mini-series concludes. Lion-O and the ThunderCats emerge triumphant over Mumm-Ra once again. By the third mini-series, "The Dogs
Cartoon Cartoons discontinued and the openings of "Cartoon Cartoons" that were shown before the opening of the actual "Cartoon Cartoons" show was dropped. That same month "Summer Fridays" replaced "Cartoon Cartoon Fridays", making it the first Cartoon Network Friday-themed program block not to feature the "Cartoon Cartoons" names or air under the "Cartoon Cartoons" brand. "Summer Fridays" also featured shows that were not a "Cartoon Cartoons" series and syndicated series that originally aired on other networks, such as "Teen Titans" and "What's New, Scooby-Doo?". "Cartoon Cartoons" also had a jazzy-7-note theme song (composed by Steve Mank). The song was first played in