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
Weekday cartoon carriage of the Fox Kids lineups, replacing them either with talk and reality shows or additional local newscasts. In the affected markets, the local rights to Fox Kids programming went to an independent station, and eventually an affiliate of either The WB or UPN. The popularity of the weekday cartoon lineup increased from the mid-1980s through the mid-1990s. The upstart minor network, The WB, launched Kids' WB, in September 1995, which had initially carried an afternoon block of animated series. At that point, shows such as "Tiny Toon Adventures" that featured Looney Tunes and other classic Warner Bros. animated characters