Universal Collision season 1, episode 10 - The Heat of Battle! Hidden away, Shockwave rebuilds the one-armed Megatron making him more dangerous than ever! He, Shockwave and the Seekers soon depart to go toward a set of coordinates that Prowl provided when they were at the Cyber-forming facility. Ironically, at the same time, Optimus leads a team of Autobots to the same place - the subterranean location. There they discover a Decepticon infestation. Battle quickly erupts and becomes even more tangled as bots appear and vanish, signalling the start of the breakdown of the walls between realities! All falls quiet when a visitor arrives that challenges the Constructicons to gladiatorial combat! Meanwhile, Soundwave, Laserbeak, Buzzsaw, Ravage and Frenzy uneasily assist the multiverse Megatron in preparing for the final push of his universe shaking plan. This culminates in an unexpected and deadly showdown!
https://www.youtube.com/watch?v=yVpRtQJj8PY