Fanboy and Chum Chum - Season 2 Episode 44 Microphonies
Overview: Fanboy and Chum Chum's new Ultra Deluxe Mega Mic toy allows them to make their own crazy sound effects in addition to auto-tuning their voices. Problems arise when Fanboy and Chum Chum abuse the Mega Mic and make Mr. Mufflin think that school's out. Things get even worse when it starts to make sounds on its own.