Ep 22. Survival Instincts

Several Decepticon spaceships manage to escape Cybertron and arrive at Unicron's body where Megatron surveys his forces. Over in Unicron's head, Optimus Prime meets with Alpha Q. Suddenly, both Unicron parts come alive! Decepticons are attacked and destroyed in great numbers and Megatron is trapped while Unicron's head goes out of control.