Dudley & The Invasion of The Space Slugs

DUDLEY, a headstrong young frog, longs to break free from the suffocating control of his father ARTHUR, the mayor of Frog Town, and prove he's capable of more than anyone believes — including the local streetwise gang led by a sassy newt named MADGE. His chance comes when a mysterious alien spacecraft crashes into the pond and becomes trapped in the mud.
But the crash is no accident. The small group of aliens on board, armed with highly advanced miniaturizing technology, is on a mission to suck up all the water on Earth and sell it across the galaxy for vast profit.