When Tink forgets to get Bounce a Gumbleday present, they follow their noses to a fragrant "surprise" that's stinking up the Bottersnikes' junkyard.
After swallowing a kazoo in the junkyard, Toot's "toot" works a little too well, attracting a swarm of ginormous grubs with a Gumble-y appetite.
The King's got a case of the hiccups, and the only cure is to swallow some grubs. Too bad the Gumbles are competing to eat as many as they can.
When a particularly spangy Float flies a basket full of Gumbles over Snike Hill, the Bottersnikes mistake it for a sign of the Abotterclypse.
Merri and Jolli have a blast when they find a "flashy box" that takes instant photographs, much to the Bottersnikes' annoyance.
When the Gumbles say Willi's too young to take a trophy from the junkyard, he vows to prove them wrong by stealing the King's crown.
While looking for grubs in the junkyard, Willi finds a talking doll named "Wise Guy" who seems to have the answers to everything.
There's too much togetherness when Bounce and Tink accidentally mangle their bodies. Meanwhile, the King has ordered everyone to leave him alone.
After gobbling down a red-hot chilli grub, Willi shoots through the sky to Snike Hill, where his spicy new stench is an aphrodisiac.
After downing too much youngenberry juice, a rejuvenated Happi ignores the Gumblelockdown and sets off to find a lost Gumblehoop.
Troublemakers Merri and Jolli can't stop "grubbing" their friends. But when Happi orders them to stop, they decide to prank the Bottersnikes instead.
Tink convinces Weathersnike that a massive storm is on the way. But to pull off the prank, he'll need all the help he can get.
Willi launches a solo mission to find the Unnamed Gumble, a fabled hero who was captured by the Bottersnikes and locked away in an underground cell.
When a run-in with the Gumbles makes Glob even uglier, the jealous King organizes an "Ugly Pageant" and appoints himself head judge.
After a brief stint as a grub prisoner, Bounce starts acting like one of her captors. But her new habits come in handy when the Gumbles are kidnapped.
Tink thinks he's found the tink of all tinks when he gets his hands on Gubbo's "Grub Grabber," a Snike invention that delivers on its promise.
After accidentally covering himself in purple dust, Tink poses as one of Smiggles's dreams to rescue Merri and Jolli from the junkyard.
Extreme Gumbling champion Sammi Whammi is back from outer space. But after gobbling up too many grubs, he's sorely out of shape.
After Happi teaches the twins Gum Fu, they set out to test their skills on the Bottersnikes. But soon enough, it's up to their sensei to save the day.
While sailing through the junkyard in a modified shopping cart, the Gumbles run afoul of the Spanglermobile, Gubbo's latest invention.
The Gumbles are freezing when Willi accidentally snuffs out the Grubfest fire. Now, the only way to heat things up is to anger a Bottersnike.
When Willi dresses up as a Bottersnike for a Gumble costume party, his getup is so convincing that the King mistakes him for his conscience.
When the Gumbles and Snikes come down with Boggle Twitches, Float and Weathersnike forge a tentative partnership to find a cure.
When soaring temperatures dry up the Gumbletree moat, Tink struggles to find a way to protect his friends from invading Bottersnikes.
With her eye on winning Jiggly Gumble of the Year, Jolli sneaks away to pull off a solo heist. But working alone isn't all it's cracked up to be.
Gumbles come in all shapes and sizes. But Bounce is so tired of being the biggest that she stuffs her body into a tiny tin can.
A determined Tink tries to break a Gumbledex record by plucking six hairs from the noses of unsuspecting Bottersnikes.
Bounce goes to great lengths to avoid telling Happi the truth when she accidentally breaks the propeller on his airplane.
Merri and Jolli take their act on the road when Tink slights their singing. But the Bottersnikes turn out to be surprisingly big fans.
After stretching herself out so far that she "spangs," Bounce discovers that super-long limbs can come in surprisingly handy.
A cleverly crafted costume Tink puts on to fool his friends is so convincing that the Bottersnikes think he's one of them.
Foul-smelling Bottersnike farts fuel a high-flying Bounce to the top of a mountain. But the mission doesn't go as smoothly as she planned.
When a greedy Bounce eats Willi's share of grubs on Grubloom Day, she comes up with a plan to steal more flowers from the Bottersnikes' lair.
On the day of the annual Gumble Rally, a feuding Merri and Jolli decide to pair up with other partners. But their quarrel nets disastrous results.
When the Gumbles get the sniffles -- with a side of suspiciously Snike-like symptoms -- it's up to germaphobe Toot to save the day.
After being captured and stuck to the Bottersnikes' magnet one too many times, a fed-up Tink comes up with a plan to steal it.
A war breaks out between the Gumbles and the Bottersnikes over a golden toilet seat with seemingly magical powers.
When a sleeping Smiggles dreams up a giant purple beast named Burples, Willi tries to keep the creature as a pet.
Tink and his friends use the legend of the Snike-Eating Abominable Gumble to shield the Gumbletree from a Bottersnike attack.
When they find themselves stuck in a tire, longtime enemies Tink and Glob have to work together to get themselves free.
Soon after Tink convinces the Gumbles to capture the King of the Bottersnikes, they realize he's a horrible houseguest.
A terrified Willi is convinced he's seeing moat monsters. Meanwhile, the Bottersnikes have built a submarine to cross the moat and catch some Gumbles.
After a nasty case of grub fever, Tink, Bounce and Willi find themselves trapped on Snike Hill -- and arguing about how they got there.
When Gubbo starts using a mechanical grabber to snag unsuspecting Gumbles, it's up to Float to come down to earth and save her friends.
An ambitious Tink is determined to be the first Gumble in space ... until Happi recounts a tale of adventure with a tragic ending.
When a dragon-seeking Float convinces the twins to catapult as high as they can, they wind up deep in the Bottersnikes' lair.
When Willi gets his head stuck in a metal cheese grater, Happi mistakes him for the do-gooding folk hero Captain Grate-Face.
When Tink opens a strong-smelling jar of overpickled grubs, he works overtime to convince Happi that he's mature and responsible.
When the Bottersnikes destroy the Gumbles' prized Dodge Gumble pitch, Happi crafts a plan to stop them once and for all.
After ignoring Happi's warnings about the Blue Grub Moon, Merri turns into a were-Gumble and develops an unusual appetite.
While the other Gumbles are off picking greenberries, Tink is assigned to be the lookout, an important job he'd rather not have.
When a bossy Tink's friends opt out of doing projects with him, he builds a robot to help him get things done.