The Secret World of Alex Mack

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.

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 Alex.

The big dance is just around the corner and Alex still hasnt been asked by the only person she cares to go with. Everybody knows she dreams of going with Scott, but hes not the one hounding her for a date. Jerry, an obnoxious, insensitive and persistent ninth-grader is relentless in his pursuit of her. He wont take no for an answer, but Alex continues to put him off.

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 isnt one of them. Libby decides to pull the fire alarm right before the exam.

In anger, Alex jeopardizes her moms job. Later, she tries to make it up to her.

Annie considers going away to school. Meanwhile, Alexs powers are going haywire and she must convince Annie not to go.

Alex and Dad have trouble connecting. They go on a day trip together and chaos ensues.

Alex shows Dad the meaning of "good golf" when they enter the plants father-daughter golf tournament.

The morning before Halloween, Alex and Ray come across Paradise Valleys 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, shes sucked in by a mysterious light and comes face-to-face with the woman of the house.

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.

Alex makes the track team, but will she compete in the big meet once she realizes the plant is spying on her?

Alex and George discover that gifts and decorations arent as important as the Christmas spirit, while Daves gift to Vince is a chimp that runs amok in the plant.

Annie aces her English Advanced Placement exam, allowing her to attend a writing class taught by a renowned author. Inspired by her sisters 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 and wins the Dairy Decathlon. Meanwhile, Annie experiences her first academic failure.

Alex thinks Scott wants to ask her to the plant dance, but Dad keeps getting in the way.

George and Barbara run into Danielle when they go to a resort to relax. When Kelly finds out that Alexs 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.

Alex, Ray and Louis rescue a kid trapped under a cement pipe in the park. When Louis accepts all the credit and becomes the towns local hero, he falls under the plants suspicion of having the special powers.

Alex inspires Robyn to face the dreaded ""Rooney Runabout"" and pass P.E.

The evil Alex wreaks havoc with her friends and family while Annie and Ray try to find the good Alex to recombine the two.

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.

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.

Alexs 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 Alexs mysterious abilities.

In response to Alexs 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.

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. Alexs attempted rescue makes things worse. Meanwhile, Annie gets an internship at the plant and gets some romantic ideas of her own.

Alex is overwhelmed when an attractive guy starts looking her way. When he requests her as his study partner for "Romeo and Juliet," she cant 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 Alexs "Romeo" is the GC-161 kid.

Louis makes a great effort to impress his old friend, Spivey, including throwing a party at the donut shop which jeopardizes Alexs job. The boys have to learn that friendship involves more than first impressions.

Alex has to decide how to handle the attention of a seventh-grade admirer. Vince sneaks into the Macks house to spy on Georges research and gets stuck in the basement.

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.

Alexs old friends dont 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.

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.

Alex gets a job with Louis at his dads distributing company so she can buy her own car.

Junior camp counselor is a new role for Alex, and one for which shes 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.

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 GC-161.

A morphing accident causes Alex to switch bodies with Barbara. Alex realizes that shes not ready for adulthood. Annie loses confidence about leaving home and talks to George about it.

Alex saves a womans life but cant tell the authorities that she double-morphed the woman to the hospital. The mystery heightens Danielle Atrons suspicions. As Annie prepares for college, a bittersweet realization comes over the sisters who share so much.

Alex has a doctors appointment and fears her altered body chemistry will be discovered. Robyn grieves over the loss of her hamster.

Ray is purposely mysterious about his new girlfriend, Rachel, so that Alex wont get jealous. Alex becomes jealous anyway and struggles with accepting a new friend.

Robyn moves in with Alex while her parents are away while Mr. Mack suspects that Dave may be his secret GC-161 informant.

Alex plays matchmaker and sets Louis up with Hannah Mercury. Meanwhile, Ray gets a fancy new job and Alex falls in love with Hunter!

After four years of keeping her powers hidden, Alexs 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.