The original ThunderCats animated television series premieres on television, introducing audiences to the adventures of the ThunderCats.
The original ThunderCats animated series concludes after four seasons.
A reboot of the ThunderCats animated series premieres, featuring updated animation and storylines.
ThunderCats Roar, a more comedic and stylized reboot of the franchise, premieres.
The homeworld of the ThunderCats, Thundera, faces catastrophic destruction, forcing the survivors to evacuate and seek a new home.
The ThunderCats arrive on Third Earth, establishing their new base and beginning their struggle to adapt and defend against native threats.
Lion-O receives the Sword of Omens, a legendary weapon that bestows great power and responsibility upon the ThunderCats' leader.
The ThunderCats face their nemesis Mumm-Ra for the first time, marking the beginning of their ongoing struggle against evil.
The ThunderCats form alliances with native inhabitants of Third Earth, enhancing their chances of survival and combat effectiveness.
Lion-O undergoes a traditional Thunderian rite of passage, fully embracing his role as ThunderCats' leader.
The ThunderCats engage in a crucial battle against Mumm-Ra's forces in the treacherous Flying Mountains, securing vital territory.
The ThunderCats embark on a quest to locate the ancient Book of Omens, which contains vital knowledge for defeating evil forces.
Mumm-Ra launches a massive assault aimed at conquering Third Earth and destroying the ThunderCats once and for all.
The ThunderCats repel Mumm-Ra's siege, restoring peace and securing their new home once again.
