Threaten
Starscream brings Megatron the Skyboom Shield and Star Saber, completing the 3 Mini-Con powers (with the Requiem Blaster). Thrust proposes the Hydra Cannon (as Sideways put it). Fred convinces the other kids to skip school to see an approaching comet that has the human population abuzz. Prime hasn't lost hope in Starscream since he is a Transformer and can still do the right thing. The Decepticons leave the moon in their completed spaceship and test the Hydra cannon on the comet, blowing it up. Megatron then tells Starscream to target the Earth!
Aired 23/09/2003EP 38 - Threaten

Transformers: Armada
On the mechanical planet of Cybertron live super robotic organisms known as Transformers. There, mainly consisting of convoys, the Cybertron army, and their old enemy Destron fell into conflict to gain hold of a new power to join their side. A new breed of Transformers known as the Microns. But, grieving over the battle the Microns set off to the other end of the universe. 4 million years later, on Earth, 3 young children activated a mysterious panel inside a cave. And somehow, that was the dormant Micron...