STG End

22m

Optimus approaches Galvatron to take the Omega Lock and Planet Keys. However, Galvatron is drawing out the power of the Planet Keys, and Thundercracker, Thunderblast, Ransack, and Crumplezone grow to giant size. In the midst of the battle between the Transformer forces, the Leaders of each planet face Galvatron.

STG Unfinished

22m

Galvatron who is worn out and without power wanders through the universe. At that time, something shining catches his eye. The voice of Starscream is heard and asks "Have You Given Up?" Meanwhile Jungle Planet has gotten caught in Cybertron's gravitational field causing a new crisis to form, and Optimus sets out to confront Galvatron for one final battle.

STG Beginning

22m

Representatives of each planet have successively gathered together on Cybertron. The first Space Peace Conference opens with Optimus Prime. Optimus Prime makes a proposal for the construction plan of a new space bridge, but the time has come for old friends to finally separate.

STG Inferno

20m

In the final episode of Cybertron peace has settled on the Earth, but new information will reveal why Landmine arrived on Earth and not elsewhere and why Scattershot had such unusual reading when they arrived.

STG Guardian

22m

Wing Saber hurries to the space bridge in the sky. However, he was not there in time and the space bridge begins to fall apart due to the battle that had just occurred. Lori grieves that she cannot return to her home world. The Autobots who were not able to return to their original dimension because of the collapse of the space bridge attempt to artificially create a space bridge of their own but only fail. Vector Prime then decides that he must act to save the universe and destroy the black hole.

STG Showdown

21m

Starscream and Galvatron battle for possession of the Omega Lock and the four Planet Keys. Though the Autobots try to intervene, Soundwave and Sideways get in their way and hope to see the battle through to the end.

STG Optimus

21m

The Autobots and Decepticons finally reach the lowest depths of Giant Planet. Coby and Landmine head to the spaceship Lemuria where the Planet Key is located. Meanwhile Galvatron arrives and confronts Optimus, who is doubting himself after the defeat of the Cybertron Defense Team.

STG Scourge

21m

Although Scourge is the winner of the fight, Scourge's emotion causes him to hesitate. Among such, he encounters by chance Bud, who has formed the Mini-Con Recon Team. Meanwhile, the Cybertron Defense Team shifts into action and takes on Galvatron.

STG Challenge

21m

The black hole expands even further and the crisis has approached Jungle Planet. Leobreaker and Snarl wager the leader's throne and challenge Scourge. Meanwhile Lori discovers an image that depicts the past when Giant Planet was concealed. Giant Planet was attacked by a countless numbers of Sideways drones that came from Planet X.

STG Ambush

21m

The Autobots divide into teams and journeys to the depths of Giant Planet. However, they face a difficult battle against an attack from a strange underground structure and Decepticon. Lori's party appears and runs into the team of Scourge and furthermore, Thunderblast.