While on a desert highway, the RV gets stolen by a group of modern-day pirates, who use it to go on a robbery.
A 41st century Superman clone, Kell-El, travels to the Legion's time and needs the group's help against the intergalactic menace of Imperiex.
Batman and Superman find themselves teamed up when Lex Luthor begins his operations in Gotham City to take down his arch-nemesis, and employs a horde of the Batman's villains to do so.
When Sissi's pen pal from Iceland, Brynja Heringsdötir, arrives at the school, all the boys swoon over her, making Sissi envious. When Brynja takes an interest in Odd, he ends up showing her the Supercomputer. While there, she messes with the computer despite Odd's pleas not to, creating a glitch in a program Jeremy is installing that causes every virtualization to happen in the wrong sector and prevents materialization. This becomes all the more problematic when William catches Aelita alone on Lyoko. When forced to choose between his friends and his new love interest, Odd initially stays with her, but decides that his friends are more important. After rescuing Aelita from William, they make up. As Brynja has not been told anything about the purpose of the Supercomputer, nor does it appear that she even cared in the first place, they have no need to perform a return trip to the past before she leaves.
When Kaz and Peyton's 'friendly' squabble spins out of control, Tom decides the only solution is a 'Scavenger Scan' match. Kaz and Peyton have one hour to scrape up all the scans they need for a match. The clock is ticking as the desperate duo speed through Perim, scavenging scans and dodging danger – then it's off to the BattleDrome for the most chaotic Chaotic battles ever.
Aang awakens to find himself aboard a captured Fire Nation ship with a full head of hair and sustaining serious injuries from the previous battle for Ba Sing Se. At his side are Katara, Sokka, and their father Hakoda who recount the events that led the four to the ship and contemplate their next move. Aang struggles to fight his own desire to face the Fire Lord before he is ready. Meanwhile, Zuko deals with his own issues as he makes his long-awaited journey home, with the fear of his father's rejection hanging over his head.
An 18th-century house in Arkansas comes complete with a portal from hell, which allows a demon to terrorize the young family that has just moved in.
When Jen complains about her bad bra, Moss attempts to create the world's most perfect bra. When he succeeds, he attempts to get onto the BBC show Dragon's Den to demonstrate it, which turns out a bit awkward.
Lucy and Guy are going out with each other, and Guy has practically moved in. This annoys Lee who thinks Guy is too old for her. Lee soon discovers that Guy owns a lap dancing club. While at the club, Lee and Tim see Rose (Thaila Zucchi), a librarian that Tim has been seeing, and discover she is a lapdancer. Tim later dumps her, but then changes his mind. However, Rose refuses to get back together. Meanwhile, Lucy dumps Guy but they soon get back together but agree to take their relationship more slowly.
Jimmy plans a poker game with Kev, Siobhan and Bobby, but when one of them drops out, Diana steps into the breach and, with a little inside information, is able to see through Jimmy's bluffing. Meanwhile Molly is eager to look better than rival Becky in the school photograph.
At long last Ruby has her dream job hosting the Gloomsville World's Fair, but the fair turns into a disaster when Skull Boy's exhibit malfunctions and explodes the fair into oblivion; with the help of déjà vu, Ruby is able to correct the mistakes.
Several dangerous Neuros launch a prison break after an emergency at NICO.
When Miley's dad won't let her get a new phone, she sells a Hannah picture to the press to buy it herself. Unfortunately, the picture seems to be revealing her secret.
The President wants to get more Americans to exercise, so he decides to bring in Dwayne "The Rock" Johnson to the White House to figure out some ways to do that. Seeing it as an opportunity to meet him and do some business, Cory, Newt, and Meena make an exercise machine for him to endorse. While trying to sneak it upstairs, the get stuck in a closet. Before they can figure out how to get out, The President, Victor and Samantha all get trapped in the closet as well. Meanwhile, no one will come to Sophie's tea party because of The Rock. However, she may get a very special guest at her tea party.
Michael must rescue Sam from heroin smugglers, who happen to be ex-Special Forces, while also evading agents who are out to get him.
Sam takes on a case for a woman named Gillian, who is being blackmailed into using her security clearance to help smuggle heroin into the United States. Meanwhile, Michael is busy trying to arrange a meeting with Philip Cowan.
Strange things are going on aboard the Jupiter 42. Personal items along with parts of the ship are disappearing. Every one’s a suspect but the finger of guilt is eventually aimed squarely at Gus who has a gambling debt and might be selling the stuff on Ebay to get out of the hole. Question: can a robot with cement shoes drown?