Beast Machines: TransformersSeason 1 Season 1Season 1Beast Machines: Transformers 1 episodes18/09/1999 Episodes Episode 1 S1 · E1 · 18/09/1999The ReformattingAfter escaping from new foes, Optimus Primal, Rattrap, Cheetor and Blackarachnia are given strange new bodies by a mysterious supercomputer.