Join or Sign In
Sign in to customize your TV listings
By joining TV Guide, you agree to our Terms of Use and acknowledge the data practices in our Privacy Policy.
Kids engage in futuristic challenges against monsters in order to win prizes and save the planet.
There are no TV Airings of Massive Monster Mayhem in the next 14 days.
Add Massive Monster Mayhem to your Watchlist to find out when it's coming back.
Check if it is available to stream online via "Where to Watch".