A shocking ending from "Surprise" leads to yet another plot twist. Chase's girlfriend, Rebecca, seems really sweet, until she tells Zoey to stay away from Chase. After Chase learns about this, he must make a decision: Rebecca or Zoey. Meanwhile, Quinn is helping Logan with his free throws in basketball. Also, a new girl named Stacey Dillson gets her cotton swab dream house wrecked by Chase.
Mordhouse, the home of Dethklok, opens its gates to the public for the first time in celebration of International Dethfan Day. Will the band and their fans make it through the experience? Dethklok find themselves in potential trouble after two Internet geeks threaten to release the band's exclusive, one-time-only, fan song over the internet unless they give in to their demands.
The Loonatics encounter Adolpho, a mutated dolphin who uses psychic abilities to brainwash sea creatures and destroy any human-made object at sea. It's up to the Loonatics to stop Adolpho and his gang of killer dolphins from taking revenge on the "surface-dwellers" at their next target: Acmetropolis.
Throttle is promoted, and must return to Mars with Carbine; his replacement, Rimfire (Modo's nephew), does not fill his shoes very well, forcing Carbine to rescind Throttle's promotion.
Moordryd finds a black draconium bone mark called the Vysox and Decepshun absorbs it permanently, growing more powerful. Moordryd also finds a map leading to the Bone Marks of the League of Eight. Will Artha and Beau be able to stop them before the most powerful dragons of the Dragon Human War are released?
When Xana hacks into a weapon's manufacturing computer network and leaves a paper trail pointing to Jeremie, government agents arrive at the school looking for him. Then, the whole gang arrive at the factory. When they end up tracking Jeremie to the factory, Xana possesses them for an attack on the supercomputer itself in The Ice Sector, and in The Mountain Sector.
A scientist asks the Legion to help him capture what he claims is a dangerous creature, but both the creature and the scientist have a dark secret.
After watching a movie about criminal masterminds, Penguin gets the idea to form a team of Gotham's greatest villains in order to finally take Batman down. Meanwhile, Batgirl and Robin must learn how to work together.
Raph competes in a professional wrestling tournament, which is interrupted by a banned wrestler looking to prove himself.
Upon returning from a mission, the team finds their neighbors in the Baxter Building much more friendly than usual, but it soon becomes clear their "neighbors" are shape-shifting aliens - the Skrulls!
When Clover, Alex and Sam's mothers discover that their daughters are spies, they completely freak out and inform Jerry that they are putting an end to it immediately. The spies go back to regular civilian life. Meanwhile, Mandy, Dominique and Caitlin all become affected by an evil shampoo from one of the spies' missions (the girls accidentally dropped it into Mandy's pool). Mandy and her cronies become evil “spy-sassins” (anti-spy agents) and kidnap the spies' mothers. Their plan? To sequester them in hopes that they can capture the spies when they try to save their moms. Sam, Clover and Alex realize that their own carelessness is what got their mothers in trouble, so they become spies again and ultimately save their moms. But in doing so, they get captured by Mandy! Now with the spies trapped back at The Groove, Mandy turns them into spy-sassins so that the Sam, Clover and Alex will destroy one another. Luckily for the girls, Jerry trained their mothers to be spies, and the moms swoop in a save the girls from each other. Now with the spies back to normal (thanks to a serum created by Jerry), the mothers and daughters round up evil Mandy and her cronies! In the end, the mothers allow their daughters to remain WOOHP agents.
Yorkshireman Pete shows his softer side and 32-year-old famer Christine battles with her emotions.
A teenage slacker is given the ability to turn into the American Dragon and defend all mythical creatures that secretly reside in the human world.
To catch a predator shows us the investigations carried out using the hidden camera from Dateline NBC.
A man shoots himself in the offices of an investment bank. Rebus is tipped off to a possible financial scandal, but his investigation is frustrated by powerful vested interests.
Ah-Mah trains June how to use the Staff of Wushu. When thieves working for a demon company called DaPheetes invade, they use a powerful spell made from Dragon Snot and steal the Kanji Statue of a rogue Te Xuan Zee named Kai Yee who turned against the Magical Elders and was imprisoned as a statue. When he steals the Sword of the Elders, June persuades Ah-Mah to let her help. What will be the outcome of this fight?
A rock and roll enthusiast expands his love to living teens by tormenting them into stealing. Melinda must also deal with the ghost of her scheming ex-boyfriend.
A series of short stories, highlighting different characters and their individual adventures in the city. Tales of Katara and Toph, Iroh, Sokka, Aang, Zuko, and Momo.
David tries to get information from one of Crystal's old boyfriends, but he isn't helping. Things get personal for the team when Crystal kidnaps one of them.
The Man with the Yellow Hat takes George to his checkup. George has never seen a doctor's office or a doctor before and becomes curious. After the doctor has to take a break, George puts on his coat and uses his equipment to try to track down a strange "bloopy" sound he had been hearing and, along the way, has to help several patients such as a woman with allergies a man with a broken arm and a woman with hiccups in the way only a monkey can.