Zoids Wild is an anime series based on the Zoids model kits produced by Tomy.

An evil race of transforming robots known as the Destronger make their appearance known by invading a world exposition in New York and abducting Professor Onishi, a renowned scientist. The professor's son Yuuki befriends Fire Convoy and the heroic Cybertron forces, who will stop at nothing to rescue the professor and protect Earth from the wrath of Gigatron and his Destron henchmen.
 
(Source: Anime News Network)

Fleeing from the war that has raged on the planet Cybertron for millions of years, the heroic Autobots led by Optimus Prime encounter a surprise attack by the evil Decepticons led by Megatron. The ensuing melee aboard the Autobot ship ends when the ship crashes on a volcano. Four million years later, an earthquake reactivates the ship`s computer and resurrects both the Autobots and Decepticons, resuming the great war of the Transformers. 
(Source: AniDB)

It is the year 2005. Twenty-one years after the heroic Autobots and the evil Decepticons resumed their neverending war on planet Earth, the Decepticons have conquered the robots' home planet Cybertron. After a surprise attack by the Decepticons, both factions wage a gruesome battle at Autobot City. In the midst of the battle, Autobot leader Optimus Prime dies during his fight with Decepticon leader Megatron. The Autobot Matrix of Leadership is then passed on to second-in-command Ultra Magnus. Meanwhile, a badly-damaged Megatron is jettisoned by Starscream into deep space, where he encounters the planet-eating robot Unicron and is reborn as Galvatron, the new Decepticon leader. With Galvatron's reign on the rise and Unicron's imminent arrival within Cybertron's orbit, the Autobots must act quickly and protect the Matrix or face total annihilation. 
(Source: Anime News Network)

The 1st Duel Masters series. 
 
A mysterious organization is interested in fledging duellist Shobu Kirifuda's ability to bring Duel Master creatures to life. With the support of his friends, Shobu duels with passion, discipline, and heart as he strives to be like his father and become the next Kaijudo master.
 
(Source: Anime News Network)

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...

A huge black hole is about to swallow the entire universe, including the Transformers' home planet Cybertron.. While Galaxy Convoy and the others search for a solution, the Transformers escape from the collapsing planet and infiltrate Earth as "robots in disguise"...Galaxy Convoy encounters Vector Prime and learns of the existence of "Planet Force", an ancient relic capable of resetting entire planets, believed to have been lost thousands of years ago with Cybertronian explorers who failed to build a space bridge to the edge of the universe.
 
Thus, Galaxy Convoy and the Cybertron warriors he leads embark on a grand adventure across the vast universe in order to find the Planet Force and awaken the ancient warrior Primus to save the universe. 
 
However, Master Megatron and his underlings plot to control the entire universe by acquiring this power, and they relentlessly obstruct Galaxy Convoy and his friends...Will Galaxy Convoy and his friends be able to safely obtain Planet Force? 
 
(Source: TV-Aichi, translated, edited)
 
Note: The international version considers this series a sequel to Micron Densetsu (Armada) and Superlink (Energon), featuring references to characters and events from the two, as well as an additional scene in episode 51 linking the three.
 
Note: The US release initially combined episodes 1 and 2 into one, before ultimately airing a dubbed version of episode 2 as episode 52.

It has been 10 years since the fateful battle with Unicron. Many of the Decepticons who fought in the battle against Unicron have joined forces with the Autobos to mine for Energon, an alternate energy source. But a new source of evil has a risen, Alpha Q who plans to steal the Energon from the Autobots with the help of Scorponok and the Terrorcons. This new evil is trying to revive Megatron and Unicron in order to rekindle the old flames of war. 
(Source: Anime News Network)

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