Ep 50. Union

The combined Autobot-Decepticon fleet is in full attack on robot mode Unicron, but cannot penetrate his hull. Thrust hopes to replace Sideways as Unicron's top advisor, but Sideways isn't worried. On the Transformers' command ship, Demolishor heads the tactical meeting but has not yet discovered a weakness in Unicron's armor. Unicron turns his attention from the fleet and blasts Cybertron, much to everyone's shock. Hotshot & Wheeljack lead an assault team of jet fighters against Unicron. Wheeljack targets Thrust on the surface, and Unicron defends him, drawing his attention from Cybertron. Demolishor discovers a weak spot in Unicron: his neck! Galvatron orders the assult team to this new target and the rest of the fleet fires on Unicron's head for distraction. Unicron ignores the fleet and Thrust begins to second guess his betrayal of the Transformers, but then concludes it was the best way to power. Optimus Prime and Galvatron realize they must wake up the Mini-Cons inside Unicron