Meet Lion-O and the Thundercats! After fleeing their home planet, the Thundercats find themselves stranded on Third Earth where they face the evil Mumm-Ra. But Lion-O is strong! He's tough! There's nothing he can't do! Except maybe open really big jars of cookies…
The Thundercats have met their match with the evil, undead Mumm-ra! He and the bumbling Mutants have made it their goal to stop the Thundercats by any means necessary, but of course the Thundercats have other plans!
Cheetara is the coolest cat around! Not only is she so fast that she can outrun lightning, but so clever she can outsmart Mumm-Ra's evil plans! Villains don't stand a chance against Cheetara…well, unless Mumm-Ra uses his Doom Staff, then she might be in trouble.
Panthro may be the strongest cat on Third Earth, but one of his biggest strengths is that he can fix anything! And the rest of the Thundercats break enough stuff to really put his skills to the test, but it's nothing a pro like Panthro can't handle.
The smartest Thundercat, Tygra. Tygra's mission is to make Lion-O a better leader. He might get around to it too, if he wasn't so busy cleaning up after the other Thundercats.
The Thunderkittens might be the youngest Thundercats, but Wilykit and Wilykat are a dynamic brother and sister duo! They'll help take down any foe, even if they don't really know what their own capsule weapons can do.