When Thomas Wiggins meets sweet and shaggy McGrowl, he is sure he's found the pet of his dreams. But after a freak accident and a creepy encounter with the veterinarian, Dr. Minderbinder, McGrowl is changed forever.
Suddenly, McGrowl is a bionic superdog with amazing powers of sight, smell, and strength. The only problem is, his powers sometimes get him into sticky situations!
Can Thomas and his courageous canine thwart Dr. Minderbinder's evil plans... before it's too late?