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The Chameleon wants to give Maximus something he's always wanted for Christmas-the destruction of Atomic Betty! He disguises himself as Galactic Guardian trainer Commander McSlim and lures Betty and her crew to the Galactic Guardian Academy for "Retraining" over the Christmas holidays, all under the watchful eyes of Maximus and a jealous Minimus. Meanwhile, on Earth, Betty dresses as Santa to spread holiday cheer to some pre-school kids.

The evil baby Infantor becomes greedy at Christmastime and demands all the toys in the galaxy. He kidnaps Santa and takes control of his factory at the North Pole Star, reprogramming the toys to his specifications. Meanwhile, on Earth, Betty accompanies her parents to the mall, where she must help her dad get a gift for her mom before the stores close.

Dr. Cerebral and his henchman infiltrate Robot Paradise.

The galaxy's greatest villains gather at Maximus' citadel; competing to see who can destroy Atomic Betty and be crowned Evil Idol.

A special two part episode. During gym class, Betty has to put away her Galactic Guardian bracelet in her locker. But, then, Penelope finds Betty's bracelet and claims it to be hers. Meanwhile in space, Maximus is having a birthday party and he receives a transmission from Duncan who stole the bracelet from Penelope, which leads him to set a course to destroy Earth.

New Neighbour: When Nuclea moves into Maximus' territory in space, he wages war against her. Meanwhile, Betty has a new friend, named Paloma who just moved into the neighborhood. When trouble is brewing between Maximus and Nuclea, it's up to Betty to settle their rivalries Pre-Teen Queen of Outer Space: Betty is having trouble ice skating. And to make matters worse, Penelope is making fun of her efforts. Meanwhile in outer space, the alien bees of Droneopolis are searching for the most evil female in the galaxy to be their queen. They abduct Penelope and make her queen of the space bees.

Auntie Matter: While at a visit to Granny's farm, Betty is called away on a mission and discovers that the villain-a woman who has the power to transform herself into a black hole-is actually her great aunt. She's back to get revenge on Betty's grandma for imprisoning her in the first place, and nothing can stop her. It's up to Granny to save the day in a very unusual way. Oy, Robot: Dr. Cerebral has obtained a new robot that can convert organic lifeforms into robots that he can control, believing that they are superior and cleaner. Betty has to stop him before he turns the entire galaxy into robots.

Werewolves in Zeebot: The Chameleon is at it again to please Maximus, and this time he's using the powers of the Red Moon of Zeebot to turn the citizens into werewolf creatures, in order to get to the Zeebotian Truffle, a very valuable and powerful source of energy. Betty and her crew investigate, as usual. Meanwhile on Earth, Betty, her momvand Purrsey compete in a family costume competition. Noah is forced to substitute for her, making Purrsey suspicious. Return of the Pharaoh: The Pharaoh of the Egyptonions has returned, but he's not working alone. He has formed an indestructible mummy monster! Betty and her crew are sent to investigate but are forced to take along Commander Lamphray, DeGill's Beverly-Hills styled surfer nephew. On Earth, Betty, Paloma and Penelope compete in a chili-eating competition in order to gain free entry to the coolest amusement park in Moosejaw Heights.

Pop Goes the Max: Maximus has released a new line of soda, going by the name of "Fizzy Max", into the galaxy, which transforms normal citizens into mutants who become hopelessly addicted to it and will do anything for more soda. Meanwhile on Earth, Paloma is pretending to be a medium and ends up successfully predicting all of Noah and Betty's future events. Sleeping Like a Baby: Maximus hasn't been getting much sleep and becomes mad with rage, nearly going to the brink of insanity when loud noises keep him from sleeping. He sets out to eliminate every noise in the galaxy out of his rage-and Betty is stuck babysitting, both on Earth and in space!

Ferried Treasure: Betty and crew have an important mission...but Sparky has gone on a cruise for vacation. He soon finds out that the so-called "cruise-ship" is actually Greenbeard's pirate ship! Greenbeard claims to have "gone straight", but once Sparky tells him about the diamond, he is determined to have it. On Earth, Betty has found a model replica of her spaceship at a yard sale that she really enjoys but can't afford. The X-Rays: Admiral DeGill calls Betty, Sparky and X-5 to attention after his office has been trashed-apparently by a space-gang called The X-Rays. DeGill wants them to go undercover and find out what they're up to. Being an X-Ray is fun, at first...but what happens when the group of punks decide to interfere with Maximus? Meanwhile, on Earth, Duncan has developed a crush on Paloma and won't leave her alone, so she resolves it...in her own special way.

By Virtuoso of Insanity: Maximus is enraged with Minimus, but then Minimus comments that his voice is beautiful, asking if he has considered a singing career. Maximus decides to take his show on the road. There's only one thing wrong: his performance speakers are hypnotizing the audience! Meanwhile, Betty and her band have a gig, but Betty is called away on a mission, leaving the band behind. SWITCH-MO-tized: While volunteering at a magic show, a robot magician named Switchmo switches Sparky and Minimus's bodies. After a failed attempt to stop Switchmo, Betty and Maximus are forced to team up in order to stop this mad magician from declaring himself the Supreme Overlord of the Galaxy. Meanwhile on Earth, Penelope wants Betty's locker, so she tries to sabotage it in order to make Principal Peterson think that she isn't maintaining school property well.

Captain Sparky: After "accidentally" rescuing a baby, Sparky is declared a hero and is promoted to the rank of Captain-with his own ship, crew, and everything. Betty and X-5 try to be happy for their friend, but what happens when Nuclea attempts to drill all the energy out of the Bangoon sun and the two must work together? Meanwhile on Earth, Penelope is filming everyone's most embarrassing moments on videotape, threatening to play it for the whole school the next day. Earth to Roger: While talking to her friends about the school dance, Betty is horrified to see that Atomic Roger has landed on Earth, thinking he has heard a distress call from Betty-and he's not leaving until Betty returns his romantic affections for her. In the meantime, however, Betty and her crew must stop Iciclia, who is reflecting the sun of planet Glacies (which has gone Supernova) onto other worlds, causing very destructive and fiery results.

Hi-Jinxed: In space a small gnarly imp-like creature named Jinx steals all of the galaxy's good luck, leaving nothing but bad luck in his wake. On Earth, Betty is concerned Penelope and Paloma may be becoming friends. Robo-Betty: Betty discovers a lone survivor of an old Galactic Guardian spaceship, Captain Lure, and takes the Captain on board her spaceship but soon they fall pray to a trap set by Maximus. Meanwhile a prototype Robo-Betty ends up at Noah's birthday party.

Take Two Evils and Call Me In the Morning: Maximus is sick. Minimus takes over his master's evil duties and orders scavenger probes to capture "That girl, Betty". Soon the citadel is overrun with hundreds of Betty's from all over the galaxy. On Earth it's Boys vs. Girls: Ranger Girls vs. Trackfinder Boys. The Scribe: A new super-villain, The Scribe, has banned all books except those by someone named Milton Scrivener. He is also kidnapping all the galaxy's greatest writers and stealing their ideas. On Earth Noah and Paloma reluctantly team up to create a comic book based on Betty.

Mad Maximus: Spindly Tam asks Betty to protect the Beluvian Demon Box, which houses a powerful demon. A "Mad Max" style race unfolds as Maximus, Dr. Cerebral, and Pontifadora all pursue the box. On Earth, Betty, Paloma and, Noah explore the gorge. Cheerleaders of Doom: The evil Betty triplets are back, now as cheerleaders who can hypnotize people with their cheers. On Earth, Penelope is appointed hall monitor and lets the power go to her head.

Reeking Havoc: Betty is called upon to fight against a giant genie whilst Penelope steals Betty's spotlight as lead of her band on Earth while she's away. Practically Joking: Betty must find a way to free people who have been captured by a troll who is simply doing it for his own amusement. Meanwhile, Betty must try to find a way to stump Duncan at his own game of pulling pranks.

The SubTRAINean Robbery: Hopper the Chopper returns in an attempt to rob a train containing material to make indestructible metal. Can Betty prevent it from happening? The Minion: Maximus goes on a scout to look for a minion to replace Minimus; sending the universe into a major crime spree as people work to become the next "Minion"? Meanwhile, on Earth, Betty and Paloma team up against Penelope in a soccer competition.

Eternal Elixir: Maximus and Nuclea team compete locate an immortality potion. Can Betty beat them to it before either of them become immortal? Meanwhile, Betty's Mom helps Purrsy stay fit. Bee Movie: Queen PeneloBee returns, except this time, she's looking for a mate. Meanwhile, on Earth, it's Jackamoose Appreciation Day all around town.

Evil Juniors: Betty is called off to a mission where she must teach young Galactic Guardians in training the power of responsibility but it's all a front for Maximus' latest scheme to eliminate Betty. As the Worm Turns: Maximus is using a powerful telescope-like device to destroy asteroids and even some planets and Betty must stop Maximus before he succeeds in destroying entire planets and eventually the Galactic Guardian HQ.

Extreme Makeover: An evil villainess named Bombshelle is committing fashion-related crimes across the galaxy while, on Earth, Betty's band shoots their first music video. Once Bitten, Twice Slimed: Zulia unwittingly helps Max Sr escape from prison! Meanwhile, Purrsy is celebrating a birthday.

The Collector: The Collector is bent on stealing a legendary gem. On Earth, Betty's bratty cousin, Kyle pesters Betty's friends about a comic book. Night of the DeGilla Monster: Admiral DeGill creates a clone of himself but things don't go as planned when the clone turns on DeGill and teams with Pontifadora! Meanwhile, Betty and her Dad help Mom host a party on Earth.

The Big Bad Plant from Outer Space: A tiny plant Betty must transport to a planet starts to grow at an alarming rate! Meanwhile, on Earth, Betty does a few chores. Nuclea Infected: Nuclea absorbs a Grey Hole and gains the ability to absorb matter and transform it into pure energy while, on Earth, at the zoo, Noah uncovers a mysterious secret about Paloma.

The Brat Pack Attack: Infantor forms an army of obedient slaves to do his bidding while, on Earth, Paloma and Betty try to keep Betty's cousin Kyle from getting into trouble at the mall. A Fungus Amongus: A former foe, Mylord Orus, escapes from prison with a "son" Shermie the Germie a mutant metal eating fungus. Meanwhile, Betty and Noah must clean up Purrsy's litter box before they can leave for a game later on.