ThunderCats (comics) entered the Book of Omens to begin his training and claim his rightful place as Lord of the ThunderCats, but Mumm-Ra uses a powerful spell to keep Lion-O trapped in the book for several years in real time, not "Book" time, and seizes control of Thundera afterwards. In the follow-up mini-series, "The Return" (written by Gilmore and illustrated by Benes, Pimental and Lea), published in 2003, Lion-O returned to Thundera to find it enslaved to Mumm-Ra. Several of the ThunderCats are scattered. Panthro, who was left in charge while Lion-O was away, was forced into slave labor. Tygra and Cheetara
Cartoon Hangover episodes and ended on a cliffhanger. The English dub ran from February 5, 2015 to April 7, 2015 on Cartoon Hangover. Originating as a skit on "The Meth Minute 39" in 2007, the series was originally on Channel Frederator and ran for 22 episodes. It is available for streaming on Cartoon Hangover Select. "Too Cool! Cartoons" was a cartoon anthology which featured several cartoon shorts. Of the eleven shorts produced, "Bee and PuppyCat" and "Rocket Dog" were both picked up to be produced as full series. "Super Science Friends" is a Canadian series produced by Tinman Creative. The Super Science