"What Killed the Mega Beasts?" is a TV movie about the mystery of what caused the great extinction from the Pleistocene to Holocene eras with several paleontologists to find out what happened with their theories. It aired on the Discovery Channel in 2002. The animation for the animals was done at Meteor Studios who also helped in making the animation from a program that aired in the previous year, When Dinosaurs Roamed America. The designs and models were reused in Before We Ruled the Earth which talked about early men trying to adapt in a world with giant animals.
With the impending ice age almost upon them, a mismatched trio of prehistoric critters -- Manny the woolly mammoth, Diego the saber-toothed tiger and Sid the giant sloth -- find an orphaned infant and decide to return it to its human parents.
Everyone's favorite novice wizard, Harry Potter, continues his high-flying adventures at Hogwarts. This time around, Harry ignores warnings not to return to school - that is, if he values his life - to investigate a mysterious series of attacks with Ron and Hermione.
When a virus leaks from a top-secret facility, turning all resident researchers into ravenous zombies and their lab animals into mutated hounds from hell, the government sends in an elite military task force to contain the outbreak.
Kay and Jay reunite to provide our best, last and only line of defense against a sinister seductress who levels the toughest challenge yet to the MIBs untarnished mission statement: protecting the earth from the scum of the universe.