What sinister plans do these amphibian fibbers have hiding under their lily pads?! Luring Earthlings to hot springs so that they relax uselessly -- to their doom?! Crashing the school sports festival ... just for fun? A thrilling game of Parcheesi, where the winner gets Pokopen? The answer is: All of this and more! And in the end, there's nothing like the warmth of the spring sun to make everyone feel a little mellow.