The Sonic Cannon That Destroys Every Known Material In the Universe is a weapon that Plankton invented for one of his evil plans.
It is a stationary cannon that fires a blue energy beam. It is most likely capable of destroying anything.
Role in the Episode
Plankton, upset that the Chum Bucket might be destroyed, cries beside the sonic cannon, which causes it to activate and make a hole in the Chum Bucket.