Beast Machines: Transformers
The Key still
S01E11· aired 12/4/1999

The Key

TMDb0.0
Nexus es7560TMDb ep 50723TVDb ep 271087

Overview

Tankor uncovers an ancient weapon with the power to turn organic material into cybernetic metal. Nightscream gets hit by the weapon, and the Maximals race against time to save him from going offline.