Professor Arnos uses his invention to change into a hulking blue Heap creature and plans on changing everyone on the university's campus into monsters for revenge.
Grueller and his men steal an ancient tablet that will lead them to lost treasure, defying the consequences of its curse.
Dr. Cybron, an evil scientist, plans to create numerous energy creatures and use them in his plot to take over the world.
A race of spider creatures from space cover the city in webs, trying to take over the world.
Professor Ling is captured by Ape Creatures on the Misty Islands, and it's up to the gang to rescue him.
A live Tyrannosaurus breaks the surface during an earthquake and is being controlled by a mysterious figure. Fangface must stop it before it causes damage to the city.
Mysto the Magician creates a super wand that can bend buildings over sideways, and with it, he plans to take over the world.
A Space Monster gains entry into a space station and uses a device to drain the minds of the most brilliant scientists.
The Sky Ghost kidnaps airplane daredevil Su Chang in order to get information on where her uncle hid a valuable black pearl, the only thing that can power his invisibility machine.
The evil swami Zorak uses a control device to turn Harold "Hal" Hercules into a monster in order to get the world's strongest teenager to help him steal gold.
During a storm, the gang land in the Amazon jungle where Fangface rescues Sheba, an Amazon queen. Fangface and his friends must help her reclaim her throne from her evil cousin Thera.
The gang's ski-trip turns into a delivery when they help take Charlie (a cat with a formula on how to make synthetic gold hidden on him) to a laboratory while trying to avoid a villain named the Scorpion.
The gang go to a Hollywood costume party, where they meet the glamorous Raquel Taylor. Unfortunately, Crula plans on making the actress a bride for her gargoyle.
Neptune, a sea-creature from Atlantis, uses a device to control a shark in order to enslave humanity into building him a new empire.
A werewolf is stealing the animals in the Jungleland Animal Safari and Fangface is to blame. What they do not know is that a staff member named Zorlaff is stealing the animals using a special potion in order to create a potion that will turn him into different animals.
Cobra Queen sends her giant cobra to abduct Gloria Vanderfeller in order to claim her fortune.
The evil Medulla possesses an amulet that gives her the appearance and powers of Medusa. She uses her powers to turn the top scientists to stone and auction them off to the highest bidder.
Upon crashing onto Spider Island and an encounter with a giant spider, the group ends up stumbling upon the lab of Dr. Lazarus Web who plans to use a formula to enlarge the insects and take over the world.
When astronaut Steve West lands on Jupiter, Dr. Lupiter opens a trap door in the shuttle where the gases of Jupiter turn Steve into a molten monster in a plan to tap the Earth's energy supply.
Nigel Winslow helps Count Drako escape from prison by using black magic to change Count Drako into a mist monster.
Dr. Vincent Blackmire has invented a machine that transfer the contents of one's brain to another. The results end up different when he switches the brain contents of a Lagoon Monster with Fangface.
A race of Skullmen have kidnapped Professor Ortega and Carmen. They have also shrunken them in a plot to enter a crack in the Earth and retrieve a Skull Coin containing the superpowers of the Skullmen's ancestors.
Our heroes are transported in time where they stumble upon pirates led by Ironmask who has plans to rob a Spanish ship.
Dr. Chill uses a heat ray to melt the polar ice caps. He plans to flood the Earth if his demands aren't met.
Countess Zarla creates a robotic female werewolf to seduce Fangface into helping her steal the Maltese Diamond Cat from its museum.
Lizard Man uses a ray that turns his victims into small reptiles. He uses the device to steal a meteor that will give him enough super-strength to rule the world.
Count Basil kidnaps King Rudolph to prevent his coronation. Seeing as Puggsy resembles the king, he takes his place while the others rescue the real king.
A golden dragon statue lies within Hong Kong with the power to turn anyone into solid gold.
Vulture-Man is abducting Peruvian natives with his giant condor and is making them his slaves to mine for the precious metals located in Vulture Mountain.
Abdul the Giant captures a nuclear physicist named Zatci Hafid and plans to sell him to aliens in exchange for diamonds.
Disastro is an alien director who plans to make a movie called "The Day the Earth Exploded" with special effects that are too real.
On the Philippine Islands, a tribe of Filipino Cavemen have been discovered by Zeno who uses his ring to hypnotize them into stealing Professor Batack's invention which can make a man 100 times stronger than normal.