ThunderCats (1985)

After the destruction of Thundera, a small band of survivors known as the Thundercats escapes, pursued by a ruthless gang of mutants. Led by the noble Jaga, they navigate to Third Earth, but tragedy strikes when Jaga dies during their journey, resulting in their ship crashing. Stranded, the Thundercats forge alliances with local inhabitants and establish a stronghold. However, they face relentless threats from Mumm-Ra, an ancient evil, and the mutants. With Lion-O stepping up as the new leader wielding the powerful Sword of Omens, the Thundercats prepare to defend their new home.