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 Orbit Cartoon Orbit Cartoon Orbit was a children's online gaming network created by Turner Online to promote its shows and partners. Created as an addition to the Cartoon Network website, Cartoon Orbit opened to the public in October 2000. Its main attraction was a system of virtual trading cards called "cToons", which generally featured animation cells from programs broadcast on the network, though advertisement-based cToons were also common. Added in October 2002 was the head-to-head strategy game gToons The site began to suffer from lack of maintenance beginning in 2005. On October 16, 2006, Cartoon Network shut down Cartoon Orbit, leaving