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
What a Cartoon! What a Cartoon! What a Cartoon! (later known as The What a Cartoon! Show and The Cartoon Cartoon Show) is an American animation showcase series created by Fred Seibert for Cartoon Network. The shorts were produced by Hanna-Barbera; by the end of the run, a Cartoon Network Studios production tag was added to some shorts to signal they were original to the network. The project consisted of 48 short cartoons, intended to return creative power to animators and artists, by recreating the atmospheres that spawned the iconic cartoon characters of the mid-20th century. Each of the shorts mirrored the structure