After several attacks from Iron Man suits, the Fantastic Four track down Tony Stark. It turns out Doom was behind the attacks, and now the Four have to face both Iron Doom and Iron Man under Doom's control.
When Eugene finds out that Johnny is what stands in the way of him and Susan, he sets out to lock Johnny up forever as he tries to get the last ingredient for his sister's "Susan-hating lozenge".
Johnny wants to buy an HDTV and the twins need an important ingredient for their experiment. The only solution: Enter Johnny in a professional wrestling competition so they can win $10,000, so they make Johnny a wrestling suit which allows him to spray stink gas from his suit.
Yeah, Kenichi’s a total wimp. He’s always getting picked on and doesn’t have a lot of friends to stick up for him. The guy needs motivation if he hopes to graduate in one piece. Well, Miu’s the perfect motivation. She’s hot, she accepts him, and she just so happens to live at a dojo with six martial arts masters. You could say fate has led Kenichi to their door, or you could say he was just following the hottie. Either way, he’s about to get whipped into serious shape. If he can survive some hard-core training, he might survive another day at school. He might even score with Miu. Yeah, you could call Kenichi a wimp. But let’s go with underdog instead.
After Jake, Carly's crush, agrees to sing a song on the webcast, Carly gets extremely excited. But, it is soon discovered that Jake is a terrible singer, so Carly asks Freddie to digitally enhance Jake's performance.
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.
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.
Hei's team, on the orders of Eric Nishijima, has been kicked out of the syndicate and contracts taken on all their lives. Misaki discovers that the "syndicate" is really a collaboration between intelligence agencies of multiple countries and that she herself has been an unknowing member. Hei, Yin, and Mao infilitrate Hell's Gate while Huang detonates a suicide bomb for distraction. Mao is disconnected from the Syndicate's network and his feral cat behavior takes over and runs away. The EPR's contractors attack the gate, leaving the focus open for Hei and Yin. The syndicate takes out the EPR's doll system, leaving Hei with only Yin for guidance as they head towards the conclusion of the story.
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.
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.
Several dangerous Neuros launch a prison break after an emergency at NICO.
The McPoyles hold the entire gang hostage at Paddys while Frank is busy searching for his will in the air ducts.
After Barbara's death, Dee and Frank are unhappy to learn that she left them both out of the will, while Dennis inherits the mansion which he plans to turn into a party pad.