The electromagnetic plasma cannon was a cannon utilized by the Umbaran militia on its mobile heavy cannon, hover tank, and starfighter. They were noted for their power and destruction. A notable example of the sheer might of these cannons was when a few clone troopers used them to blast open the blast doors of the supply ship.
- Star Wars: The Clone Wars – "Darkness on Umbara" (First appearance)
- Star Wars: The Clone Wars – "The General"
- Star Wars: The Clone Wars – "Plan of Dissent" (Appears in flashback(s))
- Star Wars: Clone Wars Adventures – "Battle of Umbara"
- (First identified as Electromagnetic plasma cannon)