Virgil, Norman, and Max travel across the world to recruit the help of different heroes to join them in their crusade to destroy the crystal of souls. During this journey, Max starts to become uncertain about his destiny and wonders if he should be the one to lead this group.

Skull Master uses the crystal of souls to awaken the former soulless undead inhabitants of the Lost City of Atlantis to retrieve the cosmic cap from Max along with his head. When the underwater zombies arrive on the scene, Norman and Max decide to stand their ground to combat them. Virgil tells them that this is totally pointless and dangerous because the zombies cannot be killed, as they are soulless and already dead. His warnings are ignored, so Virgil decides to take the cap away from Max to save the lives of both the Mighty One and Norman. He travels through the portals to find a place where he could destroy the cap. Max and Norman remember that the cap is indestructible and Virgil already knows that. That Virgil is going to find any futile means to destroy the cap even if it means sacrificing himself in the process. Can Max and Norman get there in time to save their fowl feathered friend?

Skull Master tricks a sorcerer by the name of Ravendark who is cursed within a cave to reawaken and release an evil dormant dragon from the earth saying that this will finally give him freedom. What Ravendark doesn't know is that he is not freeing himself by releasing the dragon that will tear the earth apart, but he is freeing Skull Master. Max, Virgil, and Norman fail in preventing the dragon from waking up. Now they must convince Ravendark to put it back to sleep.

Space aliens take over a science station in the arctic and assume the identities of the researchers in order to carry out their devious plan. The aliens can only survive in freezing cold temperatures and they want to make the earth their new home by altering the entire planet's climate by creating another ice age. It is up to Max, Norman, and Virgil to stop them.

While on an expedition in the Congo, Max's mom uncovers and is captured by a lost civilization of talking gorillas who enslave human beings. Max with the help of Virgil and Norman set out to rescue his mom and the enslaved humans.

Norman struggles with his fear of facing Spike an old adversary of his family who murdered his father when he was a boy escaping from an ice prison. Spike vowed a thousand years to finish off Norman as well, and he intends to keep that promise.

While vacationing with his mom in Turkey, Max is accused of stealing a baseball cap and gets the cosmic cap taken away from him and is imprisoned. Norman attempts to free Max from the prison, but they encounter and must do battle against a giant Cyclops. Meanwhile, Virgil and Max's mom search desperately for the missing cap.

Max, Virgil, and Norman travel to Scotland, where there are reported sightings of werewolves. While there, Norman and Virgil are imprisoned and Max meets a man and discovers that he is a werewolf. They do some investigating and learns that a scientist is stealing the blood of natural werewolves to perfect the means of turning herself into an ultimate powerful werewolf. Max outsmarts and defeats her. The man and his pact of werewolves head off into the forest to live in peace.

When Max brings an ancient necklace back from Egypt and gives it to a girl named Jiffie, it turns out to have a curse that causes her to be kidnapped for sacrifice to a snake god.

Eleven-year-old Max receives a baseball cap that turns out to be the key to a series of teleport ""portals"" left by the ancient Lemurians, which as the foretold ""Mighty One"" he must use to defeat the evil Skull Master.

Max, Virgil, and Norman must prevent the earth from being invaded by brain sucking space aliens. The only way to do this is for Max to make amends with Ernie, his nerdy loudmouth lab partner from school. Ernie is the only one that can crack the computer codes on the aliens' disks

Max's mom brings a figurine back from Haiti that turns out to be filled with zombie parasites.

Max, Virgil, Norman, and a rich Texan go traveling underwater in submarine to battle a a giant octopus that is capturing and destroying ships. While underwater, the group encounters a squid civilization.

Lava Lord escapes from his prison after the destruction of the crystal of souls and is out to seek his vengeance on the one who imprisoned him, Skull Master. An all out war breaks out in the center of the earth between the armies of Skull Master and Lava Lord. Virgil tells Max that now is the time to strike in order to fullfill his destiny of destroying Skull Master. With Norman, they travel to Skull Mountain where things start to go wrong. They are separated from each other and Virgil is captured by Skull Master. Norman and Max regroup and attempt to find Virgil. When the two find him, they are horrified to discover that Virgil has turned to evil by joining the side of Skull Master. TO BE CONTINUED

Lava Lord attempts to destroy Skull Master with the help of his creation, ""Megus"", but is unsuccessful. Max and Norman are hurt and confused by Virgil's betrayal. Their doubts are put to rest when they discover that Virgil has not become evil, but has setup Skull Master. Virgil helps Max and Norman take control of Megus. This gives Max the opportunity to fulfill his destiny as the weapons of Megus are locked on Skull Master, ready to fire. Skull Master quickly grabs hold of Virgil to use as his protection. Max is on the brink of ridding the world of Skull Master, but he won't fire because his friend's life is more important to him than fulfilling the prophecy. Despite Virgil's objections, Max chooses not to kill Skull Master in order to save the wise old fowel. During the final moments of the confrontation, Max uses a portal to transport him, Norman, and Virgil back to the surface. But in the process he also frees Warmonger and Skull Master who releases the dragon. On the dragon

After being released from his inner earth prison, Skull Master travels to an island where he preys on and deceives some of the native inhabitants into drinking dragon's blood. This transforms them into reptilian creatures that become mindless slaves obedient to his commands. Max, Virgil, and Norman head to the island to stop him and encounter a young native who is stuck in mid transformation because he didn't fully drink the dragon's blood. Together they attempt to rescue the rest of the natives who haven't drank the blood of the dragon.

The population of the little town of Schlepak is dwindling as people begin to vanish never to be seen or heard from again. This sends the town into a panic as they worry about their friends and loved ones. The people are uncertain about what to do in the midst of this crisis. Virgil, Norman, and Max investigate and meet a girl who reveals to them that a monstrous creature has engulfed her brother. They discover that a deranged scientist who is having a difficult time remembering his name created two different organic slime creatures he named Corpus that devours and integrates metallic objects and human beings into its physical structure, making it stronger and bigger. They try to stop the creature, but its seems somehow impervious to any form of attack. The stakes become higher as it becomes personal for Max and Virgil when Norman becomes another victim of Corpus. Now they set out again to confront the scientist with no name and attempt to rescue Norman and the rest of the villag

Rats across the world begin to have glowing red eyes and exhibit strange violent behavior. Max, Norman, and Virgil head to China, the location where this brewing problem seems to stem from. There they come face to face with Laoshu, the Emperor of the Rats who has somehow escaped from his prison and is bent on having dominion over the earth to rule with his fellow rats. Laoshu tricks Max into solving a puzzle that traps the Mighty One and his friends within a never-ending maze. While searching for a way out, the three encounter an archeologist named Kaiwan who reveals that while doing research on the legend of the Emperor of the rats, he had accidentally released Laoshu from his prison. After Laoshu was freed, Kaiwan tells them that Laoshu took over his body by driving his spirit out. Now Kaiwan's spirit wanders around trapped within the maze. The archeologist learns that Max is the Mighty One and reveals that Max is prophesized in the legend to be the one that has the ability to

Max gets into an ongoing debate with Virgil about his love for videogames and its importance in the real world. Virgil believes that it is a waste of time and that mathematics is a subject that Max as the Mighty One should devote his time to learning, which includes Lemurian Calculus. With Norman, the two must put their opinions in the background and attempt to find common ground as Max must know combine his gaming skills with Virgil's knowledge of Mathematics to stop a warped computer programmer who has perfected the means of becoming one with his own computer program. No longer human, he becomes ""Cyberskull."" An unstoppable computer generated cybernetic destructive machine bent on digitizing the whole world.

Virgil and Norman summon the help of the Mighty One when there are reports of creatures resembling the now extinct dinosaurs running amok in Hawaii. There they discover a scientist named Eggbert Zygote who has developed a machine that can evolve and devolve life. Max and his friends must stop the craze scientist who has big plans to meddle with the evolutionary process by using all life on this earth as his test subjects for the new invention.

Max and Virgil discover that Norman who is basically not afraid of anything has a fear of spiders when they go head to head with a scientist who has mutated himself into a spider and now has control of all arachnids that he has mutated and enlarged in size. Norman must now attempt to conquer his fear in order to help Max and Virgil prevent the scientist from conquering and overrunning the entire earth with giant mutant spiders.

During the chopping down of trees in the forest, construction workers accidentally free an evil creature named Lockjaw who was imprisoned within the trees. Now Max, Virgil, and Norman must stop him from unleashing total destruction upon the earth.

Bea accompanies Max, Virgil, and Norman to combat alien beetles and their alien beetle protector.

Against Virgil's warning, Max uses the cap to travel to the astral plane where he encounters a large deformed eagle and its master, an evil giant skull named Talon that devours souls. Talon steals the cap and uses it to escape into Max's dimension, leaving the Mighty One trapped there. Talon ever hungry, views the human population as an all you can eat buffet as he begins feeding off their souls. Max struggles to find a way out of the astral plane so that he can stop Talon's feeding frenzy.

Construction unearths and frees an immortal saber tooth tiger that begins to wreck havoc on modern day California. Also freed is an immortal caveman who has spent most of his life battling this unstoppable enemy. He joins forces with Max, Norman, Virgil, and Mom to stop a creature that should have been extinct a long time ago.