Darkness Rising: Part 4
- Episode aired Dec 2, 2010
- TV-Y7
- 22m
Megatron uses the Dark Energon to summon an army of undead warriors to battle Optimus, while the other Autobots launch a high-stakes rescue operation.Megatron uses the Dark Energon to summon an army of undead warriors to battle Optimus, while the other Autobots launch a high-stakes rescue operation.Megatron uses the Dark Energon to summon an army of undead warriors to battle Optimus, while the other Autobots launch a high-stakes rescue operation.