While the LEGION OF SUPER-PETS is busy protecting the universe, their KENNEL OF JUSTICE is attacked! The LEGION OF PETS hopes to pull the heroes' headquarters out of orbit and send it crashing down to Earth. Thankfully, PROTY, the shape-shifting SUPER-PET, is still aboard the doomed den. However, before he can save the world, this spineless specimen must prove he's more than just a pile of goo.