The fourth and final season of Wizards of Waverly Place aired on Disney Channel from November 12, 2010 to January 6, 2012. The Russo children, Alex, Justin, and Max Russo continue to compete to become the leading wizard in their magical family and begin to make difficult decisions about their futures. María Canals Barrera and David DeLuise co-star as their parents and Jennifer Stone co-stars as Alex's best friend, Harper Finkle. This is the second season of the series to be broadcast in high-definition.
After the government has taken all the wizards away, Alex decides to reveal wizards to the world. The rest of the wizarding world doesn't exactly take well to it.
When her fellow wizards have been captured by the government, Alex makes the drastic decision to reveal to the world that wizards exist in order to save them.
Alex continues her life as a mortal but it causes tension between her and Harper. Meanwhile, a magical robe of Jerry's is found torn into pieces
Alex and Mason try to be just friends but that's hard when Dean returns and Mason gets jealous. Meanwhile, Justin tries to motivate some wizards.
Alex joins Justin's wizard class to try to move up in the competition. Max joins a sophisticated wizard society. They suggest he move the wizard competition up and he moves it to a few days away. Max quits the society because he finds out that they are taking advantage of him. Alex and Justin transform into Max in an attempt to change the date of the family wizard competition back to it's original date and succeed. In the end of the episode they accidentally turn Max indefinitely into a little girl.
With Max still a little girl, their parents pay more attention to Max (Maxine), and Alex becomes jealous. Justin takes Maxine to her (Max's) karate class and Maxine kicks Justin's butt. After the class, Alex decides to make Jerry's favorite sandwich in order to win his love back, but Maxine comes along with Justin, announcing that she beat Justin in karate, and Jerry immediately falls for her cuteness again. More jealous than ever, Alex comes back with Justin to Maxine's karate class with their parents, having a slight idea of knowing how to change Maxine back to Max. They cast spells on Maxine, Justin using the spell he used on Max that turned him into Maxine, and Alex using the reverse spell. Unfortunately, it only makes Maxine cuter, which makes her furious. Instead of going against the person she was supposed to, she demands that she kicks either Alex or Justin's butt. Justin goes against her, but seeing that he would lose, Alex casts a spell on Justin to make him a karate master. Too fast for Maxine, Justin beats her, and Maxine is hurt (physically). Jerry and Theresa rush to her side, caring for Maxine more than they care that Justin beat Maxine in karate. Justin leaves, and Alex leaves after him, heartbroken. Back at home, Jerry tells Alex that he fell for Maxine because she reminded him of Alex when she was little and they bond again. Meanwhile, Zeke thinks the Russos hate him, but really it was just Harper's alibi in order to keep him away from the Sub Station so as not to make him suspicious about Max's disappearance and Maxine's appearance.
Justins and his delinquent class have a wizard wand dance assessment to do which will get them back in Wiztech, though a new student named Rosie joins, Justin falls madly in love with her to later find out she's an Angel. Meanwhile, Jerry, Teresa and Harper try to think of ideas of how to get more people to come to there restaurant. Harper makes cards which get hole punched each time you buy a sandwich - when you get 9, you get a free sandwich. A man though punches his card at home and demands a free sandwich. They use Maxine's charms to make them go. After Alex gets Rosie to rejoin Justins class since Justin had to kick her out other wise they would have failed, Alex gets Rosie to come back and puts a copycat spell on her, though it goes wrong when Alex panics when a bad animals on her foot and Rosie copies. The Wizards fail but Rosie and Justin start dating.
Justin, Alex, Rosie and Harper go to an angels club while Theresa and Jerry enter Maxine in a beauty pageant.
Rosie is an Angel of Darkness (fallen angel) and has been deceiving Justin all along, to Gorog's plan. Alex finds this out with the help of Tina (a guardian angel in training) when she goes to the Angel Realm. Justin crosses over to the dark side with Rosie and becomes an Angel of Darkness, breaking his wand. He steals a special compass from the Angel Realm known as the Moral Compass, and now the leader of dark angels, Gorog, wants to destroy Justin since he's an outsider. Rosie, realizing she was deceived by Gorog as well, comes to her senses and tries to get Justin to run away to save him, but Justin refuses. With angel wings, Alex tries to convince Justin that he should not be an Angel of Darkness, because in his heart he was a good wizard. Meanwhile, Maxine is forced by Harper to have a slumber party, since Harper never had a slumber party. Maxine gets mad and turns all of the girls into "older guys".
Professor Crumbs is planning to check on the Russo's to see how their wizard training is progressing. This causes Alex and Justin to panic since they don't know how to explain "Maxine", and they try to find a way to turn Maxine back to Max. Meanwhile, "America's Got Talent" runner-up Jackie Evancho sings at Tribeca Prep's "Spirit of America Play", which gives Harper a run for her money as she takes the stage for the first time.
Zeke seeks magic as a new hobby, and when Alex impulsively and secretly assists in one of his routines, he begins to suspect that he himself might be a wizard, and consoles Harper about this, forcing her to convince Alex to either expose the truth about wizardry to him, or she will.
Alex encourages retired wrestler Muy Macho, her childhood hero, to return to the ring. Meanwhile, Zeke makes plans to wrestle Macho by persuading Justin to use his magic to turn him into a contender.
When Alex asks Mason if she can meet his parents, Mason shows her fake parents and she finds out soon after. She gets upset at Mason and demands him to take her to his real parents. Mason takes her to a werewolf holiday to meet his parents. Soon after that Alex finds out he told his parents that she is a werewolf and uses a spell to change herself into a werewolf. She thinks that Mason is ashamed of her but he tells her he`s not so while she is a werewolf she becomes the worst werewolf possible. In the end Mason`s parents like her as a werewolf and she says to him that they do not know the real her. She begins to leave and he says that he truly loves Alex to his parents and she is a wizard. She changes back to a wizard and Mason turns back to human form. After the parents find out they try to eat her and Mason and Alex make a near escape. Meanwhile Max makes his parents food taste good, like kid food and afterwards the parents eat it they turn into 4 year olds. Then Max does another spell and they become teenagers. In the end Justin does a spell and changes his parents back to parents.
When Mason ignores Alex's invitation to the Beast Bowl so he can work on an anniversary gift, Alex decides to go anyway and she meets a boy named Chase.
Alex has been crowned Wizard of the Year after saving the world from dark angels, as well as being reinstated in the Wizard Competition, and a banquet honoring her achievement is hosted. With paparazzi in tow, Chase Riprock visits the lair to congratulate Alex. As he leaves, Keith Keith hounds them about being in a romantic relationship, to which Alex states she already has a boyfriend. Later, Mason and Alex watch his gossip segment, and to their horror, Keith Keith confirms that Chase and Alex are dating. For Alex winning Wizard of the Year, the Russo family must record a holographic video congratulating Alex, however, much to Justin's displeasure, Justin's video instead only contains him complaining about Alex. The night of the awards banquet, Mason stands Alex up, leaving her devastated. At the banquet, Chancellor TootieTootie tells Justin that his display of affection and pride for Alex may reinstate him into the competition, causing Justin to be frantic and do everything within his power to destroy the tape. Chase purposely invites himself to sit at the Russo's table. However, Mason shows up late and sees Alex and Chase flirting together. A short battle ensues between Mason and Chase. Alex soon breaks up the fight, and is forced to choose either Mason or Chase. Appalled by both of their behaviors that evening, Alex chooses neither and breaks up with Mason.
The Russos head to the beach on an extremely hot day, and Harper hopes to enjoy reading her book while at the beach. The Russos come across Zelzar, a fortune-telling machine. Jerry warns the kids about Zelzar - he is from the wizard world, and a wizard's fortune really comes true. After Max and Justin receive good fortunes, Alex decides to get a fortune despite her father's warning. However, her fortune says, "Say good-bye to your life." Alex thinks nothing of it and proceeds to enjoy the day at the beach, but comes close to life-threatening situations multiple times. Alex, Justin, Max, and Harper make a compromise with Zelzar - if they can extract him from the machine and let him enjoy a day at the beach, he will take back Alex's fortune. Max replaces Zelzar, and Justin is forced to drive the beach-goers away from the machine (as Max gives out silly fortunes about his new facial hair); meanwhile, the girls help Zelzar fancy his day at the beach. In the end, Zelzar reveals that while he cannot take away Alex's fortune, he can give it to the next person. The next person happens to be a little girl, who gets Alex's fortune. However, it is revealed that a man from Random Prize Giveaway shows up, saying: "Say good-bye to your life because we're randomly giving you one million dollars!"
Alex, Justin, and Max must get into a Captain Jim Bob Sherwood spaceship in order to destroy an asteroid coming toward the earth.
It's finally time for Justin's delinquent class to take their finals, which will get them back in to Wiz Tech and Justin back into the Wizard Competition. But when they fail, Justin blames Alex; Alex knows they knew their stuff and that she didn't cause them to fail. She investigates and finds the real reason, as well as the owner of the most powerful wand in Wizard history. Meanwhile, Teresa and Jerry find that they saved nothing of Max's childhood and seek help from Harper to recreate it.
Alex and Harper decide to move out and live on their own but, they need the money to buy one first. So, they they decide put on puppet show to get money. But, When Alex doesn't keep up her end of the bargain she and Harper have a fight. Meanwhile, Max might loose his girlfriend when Thalia's parents don't like his parents.
Harper must choose Zeke or Alex and she chooses Zeke. So, Alex makes a clone of Harper to spend time with. Meanwhile, Jerry, Justin and Max create another restaurant in the Wizard world.
Alex and Harper decide to move into an apartment together after finding and Ad. They soon learn that the Ad is for a Special, Secret 13th floor and learn it is for Wizard World creatures only. They decide to take the Apartment only to find Mason living there.
Note: This is part 1 of a 4-part arc.
Alex and Harper decide to get another Roommate after they learn having an Apartment takes a lot of money. So, they find Lucy, a Ghost who is heart broken after her boyfriend disappeared over the Bermuda Triangle. So, Alex and Harper try to set her up with Justin but she ends up going on a date with Mason. Meanwhile, Even though it was supposedly lost Justin and Zeke's Robot has arrived and Zeke thinks it is evil but, Justin won't believe him.
Note: This is part 2 of a 4-part arc.
Mr. Laritate (who lives in the same apartment complex) discovers the 13th floor after Mason breaks theelevator and he his bitten by a zombie. Meanwhile, Felix's wand is stolen.
Note: This is part 3 of a 4-part arc.
After Dexter reveals himself as Gorog, the angel of darkness, he turns Felix evil in order to use his powerful wand to take over the Wizard World. Alex, Justin and Max learn from Professor Crumbs that they must use their wizard powers together to defeat Gorog and the dark side.
Note: This is part 4 of a 4-part arc.
The Family foes back in time to try and save their lair.
Harper gets zapped into a Cinderella Book.
During a dinner that Alex made for the family, Headmaster Crumbs visits to reveal that with this selfless act, the Russo children can finally have their family wizard competition.