The Anibots, Autobirds, and Deceptihogs have been clashing with the EggBots for a while, but after eight hours, the EggBots were close to being defeated.

"Give it up, EggBots! You're outmatched, a thousand to three!" yelled Judy.

"FOOLS!" the EggBots yelled back. "We've just been warming up! Summon the Dark Mega-Transformer!"

Suddenly, a giant robot bigger and stronger than the average Transformer emerged from the sea. It was too big for the Anibots, Autobirds, and Deceptihogs to fight on their own.

"How are we supposed to fight this giant robot on our own?" asked Judy.

"We need to get mega-sized as well," said one of the Autobirds.

"How?" asked Nick.

"Leave that to us!" said one of the Deceptihogs. "Summon the Astrotrain!"

Suddenly, the Astrotrain arrived and started to turn into a fighting machine! But the transformation wasn't complete yet.

"Come on, Autobirds and Deceptihogs! Let's join the battle!" yelled an Autobird. "Anibots, take care of the EggBots."

"With pleasure!" said Judy. "Let's finish this! For Zootopia!"

"FOR ZOOTOPIA!" yelled the rest of the Anibots.

Meanwhile, the Autobirds and Deceptihogs fused with the Astrotrain to become the Ultimate Mega-Transformer!

"Time to take down this Dark Mega-Transformer!" yelled an Autobird.

The TRUE final showdown was on!