

About
Based around the LEGO toy line of the same name, Hero Factory is set in a place known as Makuhero City. Here, Heroes are built in the Hero Factory and sent on missions around the universe, dealing with a variety of galactic problems such as alien infestations, natural disasters, and criminals.
Seasons

Rise of the Rookies
A new Rookie team has been assigned to complete their training with Stormer and his crew. Furno looks to be the best Rookie the Factory has seen since Stormer was a Rookie himself. He takes his position as a Hero in training very seriously and yearns for Stormer’s approval, and will push himself to do whatever it takes to get it. He’s joined by fellow Rookies Breez and Surge, as they try to prove to Stormer and each other why they are ready to become true Heroes. As the six Heroes begin to work together on their missions, they start to realize that the bad guys they are fighting are working for someone. Someone from Stormer’s past, with an evil agenda to take down the Hero Factory and Stormer himself.

Ordeal of Fire & Savage Planet
While Sir Makuro reveals the latest line of upgraded Heroes, a group of power-hungry villains attack Fueling Station 22. It's up to the Alpha Team to clear the site, but their outdated bodies are no match for the powerful villains and their leader, the Fire Lord. Later, when Rocka goes missing after responding to a civilian's distress signal, Stormer, Furno, Nex, Bulk and Stringer are sent to find him.

Breakout
There is a jailbreak at the maximum security prison of Hero Factory! Criminals like the crazed Toxic Reapa, the evil Jawblade and the schizophrenic Splitface have broken free and are spreading chaos and destruction all across the galaxy! It is revealed that the villainous Black Phantom is behind the prison break, and that it was merely a distraction for the heroes, so he could attempt to destroy Hero Factory's Assembly Tower while they were recapturing the escapees. Evo, Surge and Furno are sent on missions to catch and cuff the villains, while Rocka remains at Hero Factory to stop Black Phantom, who already has the mission managers neutralized, and destroy his Arachnix pet.

Brain Attack
An evil force unleashes alien brains on Makuhero City; the alien brains have the power to turn nice guys into bad guys.

Invasion From Below
In the city of Antropolis, a drill for a new underground Metro Line project reveals strange creatures called Jumpers from within the planet that abduct the crew. Hero Factory send in Evo to investigate, which leads to an attack on the city by giant beasts. The Alpha 1 Team is flown in to stop the monsters by building battle machines to combat the beasts.
Episodes
Rise of the Rookies

Trials of Furno
When a construction site is attacked by XPlode and Rotor, the Alpha Team is dispatched to deal with the situation. Rookie William Furno decides to join in, only to mess things up. This motivates him to train harder.

Core Crisis
Three Heroes are caught up in a futile fight against the acid-spewing Corroder, and their only hope is to form a shield, using their energy reserves. But their Hero Cores are nearing depletion, so William Furno decides to jump into action and save his friends.

The Enemy Within
The evil Meltdown sprays Preston Stormer with a substance that causes him to go insane and threaten his teammates. After he breaks out of the confinements of the Hero Factory, William Furno has to find his leader and save him from himself.

Von Nebula
A mysterious black hole opens up above New Stellac City, and the Heroes go to investigate. Upon arrival, not only do almost all the villains show up they've met so far, but their worst enemy, Von Nebula also looms over them.
Ordeal of Fire
While Sir Makuro reveals the latest line of upgraded Heroes, a group of power-hungry villains attack Fueling Station 22. It is up to the Alpha Team to clear the site, but their outdated bodies are no match for the powerful villains and their leader, the Fire Lord.
Savage Planet, Part 1
A rookie Hero named Rocka lands on jungle planet Quatros, where he discovers that the insane Witch Doctor has enslaved the local wildlife and is using them to mine the planet empty of quaza, threatening the entire planet's very existence.
Savage Planet, Part 2
A rookie Hero named Rocka lands on jungle planet Quatros, where he discovers that the insane Witch Doctor has enslaved the local wildlife and is using them to mine the planet empty of quaza, threatening the entire planet's very existence.
Breakout, Part 1
There is a jailbreak at the maximum security prison of Hero Factory! Criminals like the crazed Toxic Reapa, the evil Jawblade and the schizophrenic Splitface have broken free and are spreading chaos and destruction all across the galaxy! It is revealed that the villainous Black Phantom is behind the prison break, and that it was merely a distraction for the heroes, so he could attempt to destroy Hero Factory's Assembly Tower while they were recapturing the escapees. Evo, Surge and Furno are sent on missions to catch and cuff the villains, while Rocka remains at Hero Factory to stop Black Phantom, who already has the mission managers neutralized, and destroy his Arachnix pet.
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