Gunter and the Ice King have a tiff which sends Gunter into a destructive rage and it isn't long before Finn and Jake feel the full force of not just one Gunter but a whole army of them. You see, Gunter has gotten hold of Ice King's demonic wishing eye and he's using it to wreak havoc! Plus 15 more Adventure Time episodes.
Adventure Time (Collection 7): Reign of Gunters
It's Over - We've Been Conquered!