La surprenante alliance

Galvatron decides to join forces with the Autobots. He shows no tolerance for dissent among Decepticons on the subject, and praises the fallen Starscream.
Inside Unicron's core chamber, Thrust and Sideways fuse the 3rd Mini-Con weapon, the Star Saber, into the ground, awakening Unicron and blowing off the rest of the moon's surface to reveal his full planet mode.
Its gravity pull on Cybertron increases, drawing shards of debris up into Unicron's maw. The Autobots and Decepticons evacuate Cybertron in their space ships, protected by the glowing space Mini-Cons. The Autobots, humans, and Mini-Cons from the Axalon board Galvatron's ship. After a brief face-to-face pause, Optimus Prime and Galvatron share an historic handshake ""to Unity"", joined by Perceptor representing the Mini-Cons.
Unlikely Autobot-Decepticon pairs share further handshakes including Hotshot & Demolishor, Cyclonus & Sideswipe, and Tidal Wave & Jetfire. Prime and Galvatron command all their ships toward Unicron then give

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S01E50 - L'union