The Transformers

The Decepticons develop a device to enable travel to Cybertron and conduct a successful test. To ensure the Autobots fall into a trap, they reprogram Bumblebee to lead them into an ambush.

Starscream takes leadership of the Decepticons but suffers repeated losses against the Autobots. His struggles intensify with the return of Megatron, who seeks a powerful anti-matter formula.

Optimus Prime is severely damaged in a battle against the Decepticons, prompting a group of Autobots to travel to Cybertron to retrieve a crucial component for his repairs. Meanwhile, the Decepticons exploit the Autobots' absence by launching a surprise attack.

The Autobots gain new allies in the form of Grimlock, Slag, and Sludge, but the Dinobots' unpredictable nature leads to them being imprisoned. After a major battle with the Decepticons, the Autobots may need their help despite the risks.

The Decepticons launch a surprise attack on the Ark, capturing Sparkplug and using a hypno-chip developed by human scientist Dr. Arkeville to manipulate him. Their ultimate goal is to harness his abilities to build a new space bridge and transport Cybertron to Earth.

As natural disasters wreak havoc on Earth, the Autobots work to thwart Megatron's scheme. A group of Autobots, joined by Spike, travels to Cybertron in an attempt to rescue Sparkplug, though they may be walking into a carefully laid trap.

Autobots on Cybertron attempt to avoid capture while seeking a solution to the hypno-chips' influence. Optimus Prime leads a group of Autobots in efforts to stop Megatron's latest scheme.

A meteor carrying a powerful energy source is set to impact Earth, prompting Optimus Prime to send the Dinobots to protect it from Decepticon forces. Meanwhile, Megatron devises a scheme to turn the Dinobots against the Autobots.

Starscream plans to destroy Earth and harness its energy to gain control of the universe, forcing the Autobots and Decepticons to unite and prevent the catastrophe.

The Earth is heading back into an ice age due to a new Decepticon scheme involving a mysterious new ally.

The Constructicons, newly formed Decepticons, build a device intended to transfer the abilities of their fellow soldiers to Megatron, giving him a strategic edge in a challenge he issues to Optimus Prime. If Optimus loses, the Autobots will be forced to leave Earth.

The Autobots learn that the Decepticons are developing a powerful weapon using energy from Earth's core, which is regulated by a gem inside a pyramid in Peru. They seek assistance from their former ally Skyfire to stop the Decepticons' plan.

The Decepticons encounter a forgotten faction known as the Insecticons, and the two groups form an alliance to take down the Autobots, leading to a major confrontation.