The Negativitron shows up and launches his army of Meanies and guard - turkeys at them , but the Sackbot Army defends the Alliance members .
After defeating a giant robot that was holding Avalon hostage , they make their way to the Negativitron 's core .
The Negativitron shows up and launches Negativitron 's army of Meanies and guard - turkeys at them , but the Sackbot Army defends the Alliance members .
After defeating a giant robot that was holding Avalon hostage , they make their way to the Negativitron 's core .