The Secret World of Alex Mack

Season 4

TV-PG

Alexandra "Alex" Mack develops powerful abilities after a chemical factory accident. She struggles to balance her ordinary life with extraordinary misadventures as a result.

Where to Watch Season 4

20 Episodes

Driving
E1
Episode 1DrivingAlex gets a job with Louis at his dad's distributing company so she can buy her own car.
Green Day
E2
Episode 2Green DayWhen Robyn joins an environmental group the donut shop is threatened and Alex's friendship with Gloria is tested.
Camping
E3
Episode 3CampingJunior camp counselor is a new role for Alex, and one for which she's not well-suited. She and Kelly get lost in the woods, are chased by a bear and learn the importance of two words: friendship and rescue. George remembers his own camp experiences with mixed emotions.
Ashley
E4
Episode 4AshleyAunt Ashley is everything Barbara isn't: fancy, outrageous, irresponsible, crazy. Alex's wild go-cart ride with her aunt forces Barbara to get tough with both of them. Alex's school work suffers while her spirits soar.
Oscar
E5
Episode 5OscarAlex tries to rescue a chimp named Oscar from Vince by secretly keeping him as a pet. Annie is forced to tell George the truth about GC-161.
Foot Fault
E6
Episode 6Foot FaultWhile Louis is innocently taking a photo, he catches Alex's zapper-gone-wild on film. He's sure he's captured some kind of UFO that will make his footage famous. Meanwhile, Alex helps George overcome his fear of bowling.
The Switch
E7
Episode 7The SwitchA morphing accident causes Alex to switch bodies with Barbara. Alex realizes that she's not ready for adulthood. Annie loses confidence about leaving home and talks to George about it.
The Storm
E8
Episode 8The StormWhen Alex and Annie are stuck at home during a rainstorm, they reminisce about the value of superpowers and sisterhood.
Leaving
E9
Episode 9LeavingAlex saves a woman's life but can't tell the authorities that she double-morphed the woman to the hospital. The mystery heightens Danielle Atron's suspicions. As Annie prepares for college, a bittersweet realization comes over the sisters who share so much.
Senora Garcia
E10
Episode 10Senora GarciaAlex struggles in Spanish class with a tough teacher, then struggles with the possibility that she got the teacher fired. Lars sets Dave up to be the first human research specimen for dangerous GC-161.
The Doctor
E11
Episode 11The DoctorAlex has a doctor's appointment and fears her altered body chemistry will be discovered. Robyn grieves over the loss of her hamster.
The Band
E12
Episode 12The BandRay, Louis and Alex form a band and have to deal with issues of leadership, fame and competition. Robyn learns the ""rules"" of dating from Kelly.
Things Change
E13
Episode 13Things ChangeRay is purposely mysterious about his new girlfriend, Rachel, so that Alex won't get jealous. Alex becomes jealous anyway and struggles with accepting a new friend.
The Return
E14
Episode 14The ReturnAlex becomes friends with the new boy in school, Hunter, who may know something about the GC-161 project.
Friendly Fire
E15
Episode 15Friendly FireWhile her parents are away, Robyn moves in with Alex, but it doesn't exactly turn out like she thought it would. Meanwhile, George tries to find out why Dave is leaving him envelopes filled with classified information on GC-161 that he's not supposed to know about.
Lies and Secrets
E16
Episode 16Lies and SecretsWhen Hunter finds out about the GC-161 accident he starts searching for the GC-161 kid in order to expose the plant and uncover the truth about his father's disappearance.
Without Feathers
E17
Episode 17Without FeathersAlex plays matchmaker and sets Louis up with Hannah Mercury. Meanwhile, Ray gets a fancy new job and Alex falls in love with Hunter!
24 Hours
E18
Episode 1824 HoursAfter coming to school like every day in her life, Alex notices that her parents, friends and teachers have started to act strangely. First she gets into detention with no reason and after escaping, everybody starts haunting her. But, what is really going on?
Paradise Lost (1)
E19
Episode 19Paradise Lost (1)After four years of keeping her powers hidden, Alex's secret world is falling apart. As the Plant prepares for the release of GC-161 to the public, her dad loses his job, and Louis discovers her secret powers, and is captured by the Plant.
Paradise Regained (2)
E20
Episode 20Paradise Regained (2)The final episode. Ray, Louis, and Hunter try to free Alex and her parents from the Plant which is lined with bombs thanks to Danielle Atron. Meanwhile Dave works with Gino and the FDA to stop the chemical plant from releasing GC-161.