The Transformers

Season 2, Episode 40

Episode Title: The Key to Vector Sigma (2)

Air Date: 1985-11-25

Overview:

The Decepticons acquire the Key that will give them access to Vector Sigma. After using Vector Sigma, they find the Key is also capable of making organics turn into machines. Megatron prepares to use it against Earth and The Autobots will need new allies in this battle, but their creation will come at a high price.