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.
| Title | The Key to Vector Sigma (1) |
|---|---|
| Genres | Animation Kids Action & Adventure Sci-Fi & Fantasy |
| Release Date | 1985-11-24 |
| Episode Runtime | 00 Hours 22 Minutes |
| Season Number | 2 |
| Episode Number | 39 |
| Production Companies | Hasbro, Sunbow Productions, Marvel Productions, Toei Animation |
