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Season 1
Irwin tries to secretly snatch Becky's journal to see what she thinks of him. Meanwhile, Zarg plans to throw a feast of new tastes for the Monsters.
Irwin tries to secretly snatch Becky's journal to see what she thinks of him. Meanwhile, Zarg plans to throw a feast of new tastes for the Monsters.
Dudley thinks the others don't take him seriously because of his height and tries to become Monster Leader. Meanwhile, Stan reverts to being a primitive beast without Dudley's guidance.
Dudley thinks the others don't take him seriously because of his height and tries to become Monster Leader. Meanwhile, Stan reverts to being a primitive beast without Dudley's guidance.
When Stan teaches the monsters how to fish, Vink catches a submarine with a crew on board that the monsters plan on eating.
When Stan teaches the monsters how to fish, Vink catches a submarine with a crew on board that the monsters plan on eating.
Stan constantly beats the Nerds at physical competitions so Dudley holds a Nerd Olympics hoping he can finally defeat him.
Stan constantly beats the Nerds at physical competitions so Dudley holds a Nerd Olympics hoping he can finally defeat him.
Skur thinks he can use Irwin's snoring to finally remove Zarg from the picture and have Maiden Cheena all to himself.
Skur thinks he can use Irwin's snoring to finally remove Zarg from the picture and have Maiden Cheena all to himself.
Lyle thinks of himself as a Nerd and doesn't want to perform a Monster Rite of Passage. But when he's forced to Monster Up, the Nerds accompany him on his 'nerdy' sacred quest.
Lyle thinks of himself as a Nerd and doesn't want to perform a Monster Rite of Passage. But when he's forced to Monster Up, the Nerds accompany him on his 'nerdy' sacred quest.
Becky is forced to spark some romance between the constantly bickering Urp and Durn to prove her theory that it's courting season on the island.
Becky is forced to spark some romance between the constantly bickering Urp and Durn to prove her theory that it's courting season on the island.
When Dudley pigs out on a potentially exploding fruit, he can't let his temper get the best of him or he'll be blown up to nerd bits.
When Dudley pigs out on a potentially exploding fruit, he can't let his temper get the best of him or he'll be blown up to nerd bits.
Becky saves Zarg's life, and Monster Law dictates that she must now eat him. Unfortunately she's a vegetarian.
Becky saves Zarg's life, and Monster Law dictates that she must now eat him. Unfortunately she's a vegetarian.
When Stan realises he has more in common with the Monsters than with the Nerds, he becomes Vink's new best friend.
When Stan realises he has more in common with the Monsters than with the Nerds, he becomes Vink's new best friend.
When Dudley declares Monster dung a new form of currency and collects all the dung on the island, the Monsters try to steal it back.
When Dudley declares Monster dung a new form of currency and collects all the dung on the island, the Monsters try to steal it back.
Durn threatens to use Lyle's beautiful singing voice as a weapon and takes over as leader of the Monsters.
Durn threatens to use Lyle's beautiful singing voice as a weapon and takes over as leader of the Monsters.
Dudley's upset that the Nerds are always borrowing and ruining his nerdy belongings and decides to teach them a lesson.
Dudley's upset that the Nerds are always borrowing and ruining his nerdy belongings and decides to teach them a lesson.
Skur is desperate to impress Maiden Cheena, so he captures Irwin to teach him his romantic tricks of the trade.
Skur is desperate to impress Maiden Cheena, so he captures Irwin to teach him his romantic tricks of the trade.
When Stan's football lands in Zarg's lair, the Monster Leader thinks it's Maiden Cheena's egg and his new heir.
When Stan's football lands in Zarg's lair, the Monster Leader thinks it's Maiden Cheena's egg and his new heir.
The Nerds are bitten by a 4-headed snake and discover they have super powers. Unfortunately they have no opportunity to use them.
The Nerds are bitten by a 4-headed snake and discover they have super powers. Unfortunately they have no opportunity to use them.
Irwin and Dudley fight each other with revenge dolls, but must work together when Vink threatens to destroy the dolls and the two nerds.
Irwin and Dudley fight each other with revenge dolls, but must work together when Vink threatens to destroy the dolls and the two nerds.
When a heat wave causes all of his hair to fall out, an embarrassed Zarg hides out with the Nerds until his fur grows back.
When a heat wave causes all of his hair to fall out, an embarrassed Zarg hides out with the Nerds until his fur grows back.
When Skur realises that Lyle is next in line for the throne because he's Urp and Durn's son, he pretends to be Lyle's older brother and moves in with the bickering couple.
When Skur realises that Lyle is next in line for the throne because he's Urp and Durn's son, he pretends to be Lyle's older brother and moves in with the bickering couple.
When Becky sees Vink stumbling around, she's convinced he has bad eyesight and tries to fit him with a monocle.
When Becky sees Vink stumbling around, she's convinced he has bad eyesight and tries to fit him with a monocle.
When Becky sees Vink stumbling around, she's convinced he has bad eyesight and tries to fit him with a monocle.
When Becky sees Vink stumbling around, she's convinced he has bad eyesight and tries to fit him with a monocle.
After failing to eliminate Zarg yet again, Skur decides he needs a Nerd to come up with a brilliant plan - unfortunately he captures Stan.
After failing to eliminate Zarg yet again, Skur decides he needs a Nerd to come up with a brilliant plan - unfortunately he captures Stan.
Dudley loses a million dollar bet with Stan and has to pay it off by becoming Stan's butler.
Dudley loses a million dollar bet with Stan and has to pay it off by becoming Stan's butler.
When Irwin sees all the attention Becky gives an ill Dudley, he pretends to get sick but the cure's side effects make him look like a legendary monster.
When Irwin sees all the attention Becky gives an ill Dudley, he pretends to get sick but the cure's side effects make him look like a legendary monster.
Zarg destroys an inflatable moose that has washed ashore, thinking it's trying to steal Maiden Cheena away from him. And when Irwin tries to repair it, the moose gets stuck to him.
Zarg destroys an inflatable moose that has washed ashore, thinking it's trying to steal Maiden Cheena away from him. And when Irwin tries to repair it, the moose gets stuck to him.
The nerds discover a mysterious crate and when they can't open it, they each have a fantasy of what's inside the box.
The nerds discover a mysterious crate and when they can't open it, they each have a fantasy of what's inside the box.
The nerds miss their favorite Sci-FI TV show so they come up with their own stage version. But when the Monsters get hooked on it, they won't let the nerds stop performing.
The nerds miss their favorite Sci-FI TV show so they come up with their own stage version. But when the Monsters get hooked on it, they won't let the nerds stop performing.
When Stan accidentally becomes Squider King, he inadvertently causes a chain reaction that threatens the island's ecological balance.
When Stan accidentally becomes Squider King, he inadvertently causes a chain reaction that threatens the island's ecological balance.
Irwin and Dudley try to outdo each other building sand castles, causing Zarg to be threatened and attack Nerd Camp.
Irwin and Dudley try to outdo each other building sand castles, causing Zarg to be threatened and attack Nerd Camp.
When Stan becomes the star of a monster sport, Zarg must come out of retirement to try and defeat him.
When Stan becomes the star of a monster sport, Zarg must come out of retirement to try and defeat him.
Irwin picks a flower that causes the first female to sniff it to be infatuated with him - unfortunately Durn sniffs it and not Becky.
Irwin picks a flower that causes the first female to sniff it to be infatuated with him - unfortunately Durn sniffs it and not Becky.
When Maiden Cheena is nowhere to be found, the Nerds investigate the mystery of her disappearance.
When Maiden Cheena is nowhere to be found, the Nerds investigate the mystery of her disappearance.
Dudley consumes spoiled coconut milk, turning him into a mad scientist who tries to create his own monster.
Dudley consumes spoiled coconut milk, turning him into a mad scientist who tries to create his own monster.
Strange paranormal activity hits Nerd Camp and Becky becomes a portal to the monster underworld.
Strange paranormal activity hits Nerd Camp and Becky becomes a portal to the monster underworld.
When the Nerds discover an old film camera, Becky tries to make a documentary about the wild monsters on the island.
When the Nerds discover an old film camera, Becky tries to make a documentary about the wild monsters on the island.
Lyle accidentally becomes joined with Vink's sister and the Nerds must find a way to save him.
Lyle accidentally becomes joined with Vink's sister and the Nerds must find a way to save him.
When a cute beast follows Becky back to Nerd Camp, Stan, Irwin and Dudley want to keep him as a pet, despite Becky's objections.
When a cute beast follows Becky back to Nerd Camp, Stan, Irwin and Dudley want to keep him as a pet, despite Becky's objections.
Lyle sees the Nerds pulling pranks on each other and introduces the concept to the monsters. Unfortunately Zarg takes his pranking to extremes.
Lyle sees the Nerds pulling pranks on each other and introduces the concept to the monsters. Unfortunately Zarg takes his pranking to extremes.
The Monsters are molting and when Monsterburgh becomes covered in white flakes, the Nerds try to turn it into a winter wonderland of fun.
The Monsters are molting and when Monsterburgh becomes covered in white flakes, the Nerds try to turn it into a winter wonderland of fun.
Lyle and a mysterious monster named Zanti-Clops help Dudley rediscover the magic of the holidays.
Lyle and a mysterious monster named Zanti-Clops help Dudley rediscover the magic of the holidays.
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