When one of the Snot-Bots creates a mess on Farts and Crafts day, Sludge gets an idea to bring massive, messy mayhem to Electropolis. Using his radiation ray gun, Sludge creates an army of Butt-Bombs and then sets them loose in the sewers. When the little poo-bots crawl up through the pipes they cause disgusting chaos across the city. Will the Clean Team respond in time to stop the Butt-Bombs? Or will Sludge’s vile minions succeed in covering the city in filth?
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