The Secret World of Alex Mack

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Nickelodeon (ended 1998)

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Episode Guide

    • Leaving
      Leaving
      Season 4 - Episode 9
      10/21/97
      9.6
      Alex 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.
    • Busted
      Season 2 - Episode 9
      12/9/95
      9.6
      Grounded, Alex sneaks out for a game of roller hockey and a night of trouble.
    • The Other Side (1)
      Season 3 - Episode 1
      10/5/96
      9.5
      Alex is split into two manifestations of herself when George discovers a chemical that divides GC-161 into its individual elements.
    • The Other Side (2)
      Season 3 - Episode 2
      10/8/96
      9.5
      The evil Alex wreaks havoc with her friends and family while Annie and Ray try to find the good Alex to recombine the two.
    • Driving
      Driving
      Season 4 - Episode 1
      9/23/97
      9.3
      To earn cash for a car, Alex takes a job working for Louis, but she's upset when she realizes he's not pulling his weight at the office. Meanwhile, George and his lab partner try to perfect a face cream to avoid being reassigned to another project.
    • Chemistry
      Chemistry
      Season 3 - Episode 14
      11/21/96
      9.3
      Alex is overwhelmed when an attractive guy starts looking her way. When he requests her as his study partner for "Romeo and Juliet," she can't control her chemical glows. It takes many blushes before she realizes that there is less to him than meets the eye. Things get worse when Dave spies on the kids and assumes that Alex's "Romeo" is the GC-161 kid.moreless
    • The Switch
      The Switch
      Season 4 - Episode 7
      10/14/97
      9.3
      A 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 Accident
      Season 1 - Episode 1
      10/8/94
      9.2
      On her way home from school Alex Mack is practically hit by a truck. The truck is carrying a top-secret chemical and spills it on Alex. Alex learns later that she has magical powers and shares this secret with her sister, Annie, and best friend, Raymond.
    • 24 Hours
      24 Hours
      Season 4 - Episode 18
      12/4/97
      9.2
      After 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
      Paradise Lost
      Season 4 - Episode 19
      1/13/98
      9.2
      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.
    • The Solo
      Season 1 - Episode 12
      1/28/95
      9.1
      Alex uses her powers to save Ray after he freezes during the school music recital. Afterwards, he, and his father, think that he is a musical genius. They both don't know that Alex is the one who helped. Ray is upset when she won't help him again.
    • Paradise Regained
      Paradise Regained
      Season 4 - Episode 20
      1/15/98
      9.1
      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.
    • Bad Girl
      Bad Girl
      Season 3 - Episode 11
      11/12/96
      9.1
      Just when Alex is feeling ordinary, she befriends Paradise Valley's new wild child who favors blue hair, tattoos and nose rings. Alex goes wild herself until she realizes the value of her true identity. Vince, fired from the plant, looks for the GC-161 kid himself.
    • The Videotape
      Season 1 - Episode 4
      11/5/94
      9.0
      It's career day at the Chemical Plant and Alex hopes to impress her father. She soon discovers the field trip is an attempt made by The Plant to catch the kid they've been searching for. Caught on tape using her powers, Alex informs Ray and Annie and together they make a plan to sneak back into the building late at night to retrieve the videotape of Alex.moreless
    • Lies And Secrets
      Lies And Secrets
      Season 4 - Episode 16
      11/25/97
      9.0
      When 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.
    • Road Trip
      Season 1 - Episode 13
      2/4/95
      8.9
      Alex and George have trouble connecting. They go on a day trip together and chaos ensues.
    • Twelve And A Half
      Twelve And A Half
      Season 3 - Episode 18
      12/10/96
      8.9
      Alex has to decide how to handle the attention of a seventh-grade admirer. Vince sneaks into the Mack's house to spy on George's research and gets stuck in the basement.
    • Science Fair
      Season 1 - Episode 6
      11/19/94
      8.9
      Annie's science project has been chosen as a finalist for the big science fair to be held at the Paradise Valley Chemical Plant. The whole Mack family is looking forward to spending Saturday at the science fair rooting Annie on, except Alex. Not only is she sick of witnessing Annie's triumphs, but the chemical plant is the worst place for her to be. It's crawling with plant spies who are constantly on the look out for "the kid."moreless
    • The Gift
      Season 2 - Episode 10
      12/23/95
      8.9
      Alex and George discover that gifts and decorations aren't as important as the Christmas spirit, while Dave's gift to Vince is a chimp that runs amok in the plant.
    • Suspect
      Season 2 - Episode 5
      11/4/95
      8.8
      Short on cash, Alex baby-sits Kelly's little sister and is accused of stealing.
    • Things Change
      Things Change
      Season 4 - Episode 13
      11/6/97
      8.8
      Ray 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 Party
      Season 2 - Episode 16
      8/3/96
      8.8
      George and Barbara run into Danielle when they go to a resort to relax. When Kelly finds out that Alex's parents are out of town, she befriends her and arranges a party that destroys the house. Alex uses her powers to get rid of the guests and clean up. When Kelly heads for the door, Alex confronts her for taking advantage of her trust.moreless
    • World Without Alex
      Season 2 - Episode 19
      9/21/96
      8.8
      Alex carelessly uses her powers and ruins Annie's interview with MIT. She runs away, thinking everyone would be better off without her.
    • School Dance
      Season 1 - Episode 5
      11/12/94
      8.8
      The big dance is just around the corner and Alex still hasn't been asked by the only person she cares to go with. Everybody knows she dreams of going with Scott, but he's not the one hounding her for a date. Jerry, an obnoxious, insensitive and persistent ninth-grader is relentless in his pursuit of her. He won't take no for an answer, but Alex continues to put him off.moreless
    • Nerve
      Season 2 - Episode 20
      9/28/96
      8.7
      Alex inspires Robyn to face the dreaded "Rooney Runabout" and pass P.E.
    • Friendly Fire
      Friendly Fire
      Season 4 - Episode 15
      11/20/97
      8.7
      Robyn moves in with Alex while her parents are away while Mr. Mack suspects that Dave may be his secret GC-161 informant.
    • Double Bogey
      Season 2 - Episode 2
      10/14/95
      8.7
      Alex shows George the meaning of "good golf" when they enter the plant's father-daughter golf tournament.
    • Cheers
      Cheers
      Season 3 - Episode 25
      3/4/97
      8.7
      In a surprising move, Alex tries out for cheerleading...and makes the team! But while she enjoys her new popularity, she misses her carefree life. Louis accidentally switches diskettes with Annie so that she narrowly escapes getting in trouble with the evil Danielle Atron.
    • The Secret
      Season 2 - Episode 4
      10/28/95
      8.7
      The morning before Halloween, Alex and Ray come across Paradise Valley's haunted house while delivering newspapers. The next day, Louis convinces Alex and Ray to check out the old house. When Alex takes a closer look, she's sucked in by a mysterious light and comes face-to-face with the woman of the house.moreless
    • Ashley
      Ashley
      Season 4 - Episode 4
      10/2/97
      8.5
      Aunt 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.
    • Hoop War
      Season 1 - Episode 2
      10/15/94
      8.5
      Alex and Raymond are continually harassed by upperclassmen Jessica and Ellen. One afternoon Jessica trips Alex in the school cafeteria as Alex carries a tray full of food. A food fight ensues and Vice Principal Heller assigns Alex, Raymond, Jessica and Ellen to clean up the cafeteria every afternoon. Both sets of friends blame each other for the trouble, and they agree to take up Raymond's challenge of two-on-two on the basketball court. The stakes: the losers have to admit responsibility to Heller and clean up the cafeteria by themselves.moreless
    • BMX
      BMX
      Season 3 - Episode 23
      2/25/97
      8.5
      While out racing bikes in the woods, Ray and Alex find a recluse who lives in a treehouse. He turns out to be one of the original GC-161 scientists from 1978. Vince and Lars learn of the existence of the scientist and Alex, Annie and Ray rescue him from the plant's goons. But before they do, someone finds out Alex's long kept secret.moreless
    • The Storm
      The Storm
      Season 4 - Episode 8
      10/16/97
      8.5
      When Alex and Annie are stuck at home during a rainstorm, they reminisce about the value of superpowers and sisterhood.
    • New Kid In Town
      Season 2 - Episode 3
      10/21/95
      8.5
      Alex, Raymond, Nicole and Robyn notice a new neighbor moving in. It turns out to be Louis Driscoll, a cool-looking kid with a wisecracking attitude. The more Raymond likes him, the more Alex doesn't.
    • Cold Day In Paradise Valley
      Season 1 - Episode 10
      1/14/95
      8.4
      A reporter from the Planet newspaper comes to the Mack's house to do a story; Alex's cold makes her powers go haywire.
    • Images
      Season 3 - Episode 6
      10/22/96
      8.4
      Alex becomes a photographer on the yearbook staff to earn extra credit. Louis develops a crush on Annie when she tutors him. Alex uses her powers to get herself paired with Scott on a photo assignment.
    • False Alarms
      Season 1 - Episode 7
      12/3/94
      8.4
      Alex, Raymond, and Nicole are facing their first junior high school midterm in history class. Libby, the most popular girl in school, has her own ideas about surviving the midterm and studying isn't one of them. Libby decides to pull the fire alarm right before the exam.
    • Triangle
      Triangle
      Season 3 - Episode 21
      2/18/97
      8.4
      There is only one problem with Alex's new boyfriend, he's also dating Annie. In what turns out to be an innocent set of circumstances. Annie's broken heart is made worse by the fact that Barbara is following her around for a science experiment.
    • Friends Like That
      Friends Like That
      Season 3 - Episode 22
      2/20/97
      8.4
      Alex's old friends don't like her new friend, and with good reason: The plant has hired the new girl as a spy at the school, and Lars now suspects George is a mole.
    • Shock Value
      Season 1 - Episode 3
      10/22/94
      8.3
      Alex asks her sister for help with a class science project, but ends up using her power to impress the teacher. This gets her into trouble when the teacher believes that the project was done by Annie, not Alex. Meanwhile, Dave and Vince disguise themselves as janitors in an attempt to find "The Kid".moreless
    • The Test
      The Test
      Season 3 - Episode 19
      12/26/96
      8.3
      Math is the ultimate challenge for Alex, and when she starts cheating, she can't stop. For help, she turns to Annie, who steers her back to her senses. However, Dave has been spying on Alex and has begun to question some floating exam books and other mysterious phenomena. Question is, will he turn her into the plant or will he keep her secret.moreless
    • The Creeper
      The Creeper
      Season 3 - Episode 20
      1/2/97
      8.3
      Alex befriends an unpopular guy and finds that her own friends turn on her. She blames them until she realizes the unpopular guy has a thing for her. Ray has an unlikely adventure when Dave helps him pass a driving test.
    • The Understudy
      The Understudy
      Season 3 - Episode 12
      11/14/96
      8.2
      Inspired by "Cyrano," the school play, Louis helps Ray court the girl of his dreams. When she falls for it, Ray has to face two mistakes: his girlfriend is superficial and his superficial charms are about to run out. Alex's attempted rescue makes things worse. Meanwhile, Annie gets an internship at the plant and gets some romantic ideas of her own.moreless
    • Without Feathers
      Without Feathers
      Season 4 - Episode 17
      12/2/97
      8.2
      Alex plays matchmaker and sets Louis up with Hannah Mercury. Meanwhile, Ray gets a fancy new job and Alex falls in love with Hunter!
    • Foot Fault
      Foot Fault
      Season 4 - Episode 6
      10/9/97
      8.2
      While 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.
    • Nightmare In Paradise
      Nightmare In Paradise
      Season 3 - Episode 24
      2/27/97
      8.2
      A school bully picks on Alex and she must summon all her powers to resolve the ensuing conflicts. Meanwhile, at the plant, George is suspected of espionage when Annie accidentally leaks GC-161 information to Lars.
    • Ray Goes To Washington
      Season 2 - Episode 11
      12/30/95
      8.2
      Ray enters the brutal world of politics when he launches his campaign for eighth-grade President.
    • Mystery Man
      Mystery Man
      Season 3 - Episode 13
      11/19/96
      8.2
      Paradise Valley's radio station has a popular personality, but no one knows his true identity. Alex and Ray get bold and sneak into the station, only to discover how hard it is to live with a secret.
    • Working
      Season 3 - Episode 3
      10/10/96
      8.1
      Alex and Robyn get jobs at the new video store in Paradise Valley, where Vince and Dave have installed the plant's latest GC-161 detector.
    • The Secret World Of Ray Alvarado
      Season 2 - Episode 7
      11/18/95
      8.1
      After a collision with a pole during a baseball game, Ray gets superpowers and goes public. He even negotiates an endorsement deal with the plant. But then Ray finds himself trapped and submitted to test after test.
    • On The Rocks
      Season 2 - Episode 13
      1/13/96
      8.1
      While trying to impress Bryce, Annie goes mountain climbing and is left dangling.
    • Annie Bails
      Season 1 - Episode 11
      1/21/95
      8.1
      Annie considers going away to school. Meanwhile, Alex's powers are going haywire and she must convince Annie not to go.
    • Camping
      Camping
      Season 4 - Episode 3
      9/30/97
      8.1
      Junior 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.
    • Big Ray
      Big Ray
      Season 3 - Episode 7
      10/24/96
      8.1
      Alex and Ray's friendship is in trouble when he gets caught up with his basketball crowd. Meanwhile, the plant plots to get rid of George.
    • Senora Garcia
      Senora Garcia
      Season 4 - Episode 10
      10/23/97
      8.1
      Alex 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.
    • Bubbling Over
      Bubbling Over
      Season 3 - Episode 9
      11/5/96
      8.0
      Alex experiences a chemical reaction to GC-161--uncontrollable bubbles. This unusual development coincides with the demise of Annie's relationship with Bryce.
    • New World Order
      New World Order
      Season 3 - Episode 8
      10/29/96
      8.0
      Alex's powers are out of control again and she finds that she has super strength. When Ray takes her for some serious heavy lifting at the construction site, they encounter two unwanted visitors: a suspicious Kelly and a news crew she has summoned to document Alex's mysterious abilities.
    • A Room Of Her Own
      A Room Of Her Own
      Season 3 - Episode 15
      11/26/96
      8.0
      Annie becomes obsessed by her work at the plant. An experiment she is conducting with her good-looking lab partner drives Alex out of their room and into the wood shed.
    • Trophy Case
      Season 2 - Episode 12
      1/6/96
      7.9
      Annie aces her English Advanced Placement exam, allowing her to attend a writing class taught by a renowned author. Inspired by her sister's achievement, Alex sets her mind to engage in extracurricular activities in the hope that one will bring her some recognition. She discovers an unusual talent for cow milking. Meanwhile, Annie experiences her first academic failure.moreless
    • Woman Of The Year
      Woman Of The Year
      Season 3 - Episode 17
      12/5/96
      7.9
      Alex discovers that corruption is rampant in the town's "Woman of the Year" contest. When she tries an experiment on Louis, Alex gets yet another dose of havoc-inducing chemicals.
    • Spivey
      Spivey
      Season 3 - Episode 16
      12/3/96
      7.9
      Louis makes a great effort to impress his old friend, Spivey, including throwing a party at the donut shop which jeopardizes Alex's job. The boys have to learn that friendship involves more than first impressions.
    • Mack TV
      Season 2 - Episode 15
      7/27/96
      7.8
      Ray captures Alex's powers on video and wants to enter the tape in the Atron JH Video Award contest--but Danielle and Vince are the judges!
    • Carnival
      Season 2 - Episode 17
      8/10/96
      7.8
      Alex is upset when Annie agrees to go to the plant carnival with Bryce instead of her. Meanwhile, Danielle must contend with a former employee who has returned to the plant--as a government inspector.
    • The Feud
      Season 1 - Episode 8
      12/10/94
      7.8
      Alex and Ray have a falling-out and Alex is afraid Ray will disclose her secret to the plant.
    • Muckraker
      Muckraker
      Season 3 - Episode 10
      11/7/96
      7.8
      In response to Alex's wish to jazz up the school paper, Louis becomes a kamikaze reporter who will stop at nothing to get a good story. This includes selling Ray out. Barbara is a student again and finds her new professor strangely familiar.
    • Pressure
      Season 2 - Episode 6
      11/11/95
      7.7
      Alex steals a test to help Nicole, who is cracking under the pressure of the exam. At the plant, George discovers that GC-161 has the capability to alter human genetic structure.
    • The Return
      The Return
      Season 4 - Episode 14
      11/18/97
      7.7
      Alex becomes friends with the new boy in school, Hunter, who may know something about the GC-161 project.
    • Operation: Breakout
      Season 3 - Episode 4
      10/15/96
      7.7
      Alex has to use her powers to escape from a trap set by the plant after Vince spreads the rumor that they have the GC-161 kid in custody.
    • Rat Trap
      Season 2 - Episode 8
      12/2/95
      7.6
      Alex makes the track team, but will she compete in the big meet once she realizes the plant is spying on her?
    • The Doctor
      The Doctor
      Season 4 - Episode 11
      10/28/97
      7.6
      Alex has a doctor's appointment and fears her altered body chemistry will be discovered. Robyn grieves over the loss of her hamster.
    • Alex And Mom
      Season 1 - Episode 9
      1/7/95
      7.4
      In anger, Alex jeopardizes her mom's job. Later, she tries to make it up to her.
    • Oscar
      Oscar
      Season 4 - Episode 5
      10/7/97
      7.4
      Alex 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 Atron's 3-year plan for GC-161.
    • The Journal
      Season 2 - Episode 1
      10/14/95
      7.3
      The plant closes in when Alex's journal, detailing her powers, ends up in the wrong hands.
    • Green Day
      Green Day
      Season 4 - Episode 2
      9/25/97
      7.2
      Alex's environmental group tries to take a bite out of a donut shop's business when they discover the joint is using non-biodegradable plates and Alex's friendship with Gloria is tested.
    • The Band
      The Band
      Season 4 - Episode 12
      11/4/97
      7.2
      Ray, 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.
    • Local Hero
      Season 2 - Episode 18
      9/14/96
      7.1
      Alex, Ray and Louis rescue a kid trapped under a cement pipe in the park. When Louis accepts all the credit and becomes the town's local hero, he falls under the plant's suspicion of having the special powers.
    • The Neighbor
      Season 3 - Episode 5
      10/17/96
      6.7
      Nicole tries in vain to petition against the plant for environmental violations. Alex is more concerned about her mysterious next-door neighbor who she sees having suspicious contact with the plant.
    • Saturn
      Season 2 - Episode 14
      7/20/96
      6.5
      Alex thinks Scott wants to ask her to the plant dance, but George keeps getting in the way.
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