Evil Con Carne S01 E02 Day of the Dreadbots

Hector gets fed up with his army and dismisses them. He then asks Dr. Ghastly to build him a robot army. Skarr reprograms them to be loyal to him and creates a robot version of himself as the second in command. They manage to capture the others and through them in the dungeon before the Skarr-bot decides to mutiny and replace Skarr.