The following is a list of episodes for The Secret World of Alex Mack, an American Television Series that ran on Nickelodeon from October 8, 1994 to January 15, 1998. The series was produced by Thomas W. Lynch of Lynch Entertainment.

Series overview

Season Episodes Originally aired DVD release date
Season premiere Season finale
Season 1 13 October 8, 1994 (1994-10-08) February 4, 1995 (1995-02-04) October 2, 2007 (2007-10-02)
Season 2 22 October 14, 1995 (1995-10-14) September 28, 1996 (1996-09-28) N/A
Season 3 25 October 5, 1996 (1996-10-05) March 4, 1997 (1997-03-04) N/A
Season 4 20 September 23, 1997 (1997-09-23) January 15, 1998 (1998-01-15) N/A

Episode list

Season 1 (1994–1995)

# Title Original air date Production
1 "The Accident" October 8, 1994 (1994-10-08) 101
After a miserable first day of middle school, Alex Mack winds up getting drenched with an experimental chemical, an incident that would change her life forever.
2 "Hoop War" October 15, 1994 (1994-10-15) 102
Having been framed for a cafeteria food fight they didn't commit, Alex and Ray challenge the real culprits to a game of basketball. Loser cleans all.
3 "Shock Value" October 22, 1994 (1994-10-22) 103
Ever the procrastinator, Alex puts off her science project until the last moment. But when she presents her project with the help of her powers, then cannot come up with a viable explanation as to its remarkable result, Alex gets accused of cheating.
4 "The Videotape" November 5, 1994 (1994-11-05) 106
During a class trip to Paradise Valley Chemical Plant, Alex unwittingly shows off her powers in front of a video camera. Now, she needs to sneak in and get the tape before Danielle Atron and her cronies, Vince Carter and Dave Watt, can get a chance to see it.
5 "School Dance" November 12, 1994 (1994-11-12) 105
Alex is determined to go out to the school dance with Scott, but it doesn't help that there's someone else who wants to go out with her...and won't take no for an answer.
6 "Science Fair" November 19, 1994 (1994-11-19) 109
Annie Mack's science project has been chosen as an entrant for the Plant's annual Science Fair. Naturally, Alex wants to stay as far away from that place as possible. But she is forced to, and must contend with Vince and Danielle, plus a rival entrant bent on destroying Annie's project.
7 "False Alarm" December 3, 1994 (1994-12-03) 107
It's time for midterms at Atron Junior High, and Libby, the most popular kid at school, would rather skip than study. Looking to escape, Libby pulls the fire alarm and talks Alex into taking the blame.
8 "The Feud" December 10, 1994 (1994-12-10) 108
Alex and Ray are usually the best of friends, but even friends have their fights. Alex, however, fears that Ray will rat her out to the Plant in retaliation.
9 "Alex and Mom" January 7, 1995 (1995-01-07) 110
Alex "disorganizes" her mom's files after a huge fight, causing Barbara to nearly lose her job at the plant. A remorseful Alex tries to make amends when Barbara's final chance at saving face seems headed for disaster.
10 "Cold Day in Paradise Valley" January 14, 1995 (1995-01-14) 104
Alex has a cold, and her powers are going berserk as a result. It also doesn't help that there's a spy for the Plant in the house.
11 "Annie Bails" January 21, 1995 (1995-01-21) 111
Annie's making plans for her future, and Alex is trying to convince her not to go. It's an act of sisterly love, true, but it's mainly because Alex's powers are starting go crazy again.
12 "The Solo" January 28, 1995 (1995-01-28) 112
Ray gets picked to perform at the school musical recital, but his stage fright acts up at the worst time. Can Alex save the show?
13 "Road Trip" February 4, 1995 (1995-02-04) 113
Hoping to bond closer, Alex and her dad go on a road trip. The trip, however, proves to be a wild and crazy adventure.

Season 2 (1995–1996)

# Title Original air date Production
14 "The Journal" October 14, 1995 (1995-10-14) 201
Ever since the accident, Alex has been keeping a journal of everything that's happened to her since. When she leaves it in a bag that Annie unknowingly brings to Alex at school, she finds herself in very hot water.
15 "Double Bogey" October 21, 1995 (1995-10-21) 202
Alex and her dad enter the Plant's Father-Daughter Golf Tournament. Fore!
16 "New Kid in Town" October 21, 1995 (1995-10-21) 203
Louis moves into Paradise Valley, and it doesn't take Alex long to get annoyed at his wild and crazy nature.
17 "The Secret" October 28, 1995 (1995-10-28) 204
Having been talked into exploring a long-abandoned house on the night before Halloween, Alex finds herself face-to-face with a ghost… one that seems to know quite a lot about Danielle Atron.
18 "Suspect" November 4, 1995 (1995-11-04) 205
Alex, hoping to make a few quick bucks, agrees to baby-sit for the snobbish Kelly Phillips.
19 "Pressure" November 11, 1995 (1995-11-11) 206
Poor Nicole is struggling to ace the upcoming exam, and Alex decides to help out by getting her a test copy. Meanwhile, her father has just begun to learn of GC-161's mutagenic properties.
20 "The Secret World of Ray Alvarado" November 18, 1995 (1995-11-18) 207
After a freak accident between them, Alex's powers somehow get transferred into Ray. Unfortunately, Ray doesn't have the same level of self-control as Alex does.
21 "Rat Trap" December 2, 1995 (1995-12-02) 208
Alex has made it onto the school's track team. Now, everyone in Paradise Valley is looking towards Alex's unique performance… including the ever-suspicious Danielle Atron.
22 "Busted" December 9, 1995 (1995-12-09) 209
Alex sneaks out for a night on the town, never mind the fact that she's grounded.
23 "The Gift" December 23, 1995 (1995-12-23) 210
It's Christmas, and Alex and her dad are learning that all the glitz and glamour doesn't make the holiday. Meanwhile, Dave tries to give Vince a chimpanzee for a gift, but chaos ensues when the ape ingests a vial of GC-161.
24 "Ray Goes to Washington" 1995 (1995) 211
Ray announces his campaign for eighth-grade presidency, but quickly learns of the brutal world of politics.
25 "Trophy Case" January 6, 1996 (1996-01-06) 212
Jealous of Annie's achievements, Alex sets out to find her own brand of recognition.
26 "On the Rocks" January 13, 1996 (1996-01-13) 213
Annie's attempt to impress her love interest, Bryce, while mountain climbing leaves her hanging… literally. Can Alex save her older sister's life when it's hanging by an actual rope?
27 "Saturn" July 20, 1996 (1996-07-20) 214
Alex's attempts to ask Scott to the dance is continually ruined by her dad.
28 "Mack TV" July 27, 1996 (1996-07-27) 215
Ray's video tape of Alex's powers in action has been entered in the Atron Junior High Video Awards. The judges - Danielle and Vince!
29 "The Party" August 3, 1996 (1996-08-03) 216
With Alex's parents at a resort spa for the weekend, Kelly gets Alex's trust long enough to throw a party in her house and flee. Alex had better clean up fast.
30 "Carnival" August 10, 1996 (1996-08-10) 217
Annie ditches taking Alex to the carnival in favor of Bryce, while Danielle puts up with a government inspector who's not only immune to her usual bribes, but is actively trying to take the plant down.
31 "Local Hero" September 14, 1996 (1996-09-14) 218
Alex, Ray and Louis manage to save a young child from certain death, but it's Louis who gets all the credit. In response, the Plant has turned their suspicions towards him.
32 "World Without Alex" September 21, 1996 (1996-09-21) 221
When poor Alex is convinced that the world would be better off without her, she suddenly finds herself seeing a world in which she never even existed.
33 "Nerve" September 28, 1996 (1996-09-28) 222
Robyn is convinced that she'll never pass P.E. Can Alex inspire her friend to succeed?

Season 3 (1996–1997)

# Title Original air date Production
34 "The Other Side (Part 1)" October 5, 1996 (1996-10-05) 301
After getting drenched with the Plant's new "GC-Divide" compound, a second Alex forms from the original. This new Alex quickly proves that she's everything the original Alex isn't. That is to say, mean-spirited and cruel.
35 "The Other Side (Part 2)" October 8, 1996 (1996-10-08) 302
Alex finds herself in danger when her evil double starts wreaking havoc on Paradise Valley.
36 "Working" October 10, 1996 (1996-10-10) 303
Alex and Robyn get a new job at a local video store, but are unaware that Vince and Dave have rigged it with GC-161 sensors.
37 "Operation: Breakout" October 15, 1996 (1996-10-15) 304
Danielle Atron's newest scheme to lure the accident victim out of hiding is to claim that they already have him. Will Alex fall for the trap?
38 "The Neighbor" October 17, 1996 (1996-10-17) 305
Alex is convinced that her new neighbor is a Plant spy. Paranoia, or fact?
39 "Images" October 22, 1996 (1996-10-22) 306
Alex signs up for the school's yearbook staff as a photographer to get extra credit for English class, and discovers that her crush Scott also works on yearbook.
40 "Big Ray" October 24, 1996 (1996-10-24) 307
Ray has found a new group of friends in a local group of basketballers, and is starting to ditch Alex as a result. Meanwhile, Alex's dad faces the fear of getting fired by Danielle.
41 "New World Order" October 29, 1996 (1996-10-29) 308
Alex discovers an unusual reaction between her mother's curry recipe and her chemically-altered body: temporary bouts of super-strength. But she'd better get it under control before Kelly can get the results on film.
42 "Bubbling Over" November 5, 1996 (1996-11-05) 309
Just why is Alex coughing up bubbles for no apparent reason? Unfortunately it doesn't look like Annie is going to find the answer, as she's too upset over her break up with Bryce.
43 "T Muckraker" November 7, 1996 (1996-11-07) 310
Alex wants to spice up the school paper, but Louis takes his reporter duties too far. Alex's mom, in the meantime, has re-enrolled in school, and has some conflicts with her professor.
44 "Bad Girl" November 12, 1996 (1996-11-12) 311
Alex befriends the new girl in school, who has her own "unique" style, and one that Alex tries to emulate. Meanwhile, Vince gets fired from the Plant for his consistent screw-ups, and now he's more determined than ever to identify Alex.
45 "The Understudy" November 14, 1996 (1996-11-14) 312
Ray, with a little help from Louis, manages to impress a new girl, but his superficial charm can't last forever. Annie, however, starts her internship at the Plant.
46 "Mystery Man" November 19, 1996 (1996-11-19) 313
Just who exactly is Paradise Valley's most popular radio DJ? Alex and Ray decide to find out.
47 "Chemistry" November 21, 1996 (1996-11-21) 314
Alex's habit of literally glowing when under emotional stress is putting her chances with a good-looking boy at school at risk.
48 "A Room of Her Own" November 26, 1996 (1996-11-26) 315
Annie's work at the Plant is hard enough on Alex's nerves, but taking over their shared room just to accommodate a lab partner is just taking it too far.
49 "Spivey" December 3, 1996 (1996-12-03) 316
Louis is determined to make his first impression with his old friend Spivey count. This impression, though, is putting Alex's donut shop job at risk.
50 "Woman of the Year" December 5, 1996 (1996-12-05) 317
Paradise Valley's "Woman of the Year" contest is nothing but a nest of corruption, and Alex wants to find out exactly what's going on.
51 "Twelve and a Half" December 10, 1996 (1996-12-10) 318
Alex puts up with an admirer from the seventh grade, while Vince's attempt to spy on the Macks backfires when he gets stuck in the airvent.
52 "The Test" December 26, 1996 (1996-12-26) 319
Math: Alex's second-most detestable enemy (after Danielle). Determined to pass at any cost, Alex resorts to cheating. Can Annie snap Alex out of this habit, hopefully before Dave can connect Alex to the evidence of floating textbooks?
53 "The Creeper" January 2, 1997 (1997-01-02) 320
Poor Alex is torn between her old friends and a new friend that's generally unpopular to everyone else.
54 "Triangle" February 18, 1997 (1997-02-18) 321
Both Alex and Annie have found a new boyfriend. There's just one problem… they're both the same guy!
55 "Friends Like That" February 20, 1997 (1997-02-20) 322
Alex has made a new friend named Grace, but she doesn't realize that the "student" is actually another one of the Plant's spies.
56 "BMX" February 25, 1997 (1997-02-25) 323
While out biking, Alex and Ray run into an old hermit in the woods, one who seems to know a lot about that crazy chemical GC-161.
57 "Nightmare in Paradise" February 27, 1997 (1997-02-27) 324
Alex's powers and wits are put to the test when a local school bully begins to pick on her. Meanwhile, Annie's attempt to pass off GC-161-related material to her dad puts George under Plant suspicion.
58 "Cheers" March 4, 1997 (1997-03-04) 325
Alex has made it onto the cheerleading team, but she'd rather have her carefree life over the perks of glory. At the Plant, Louis gives Annie a diskette for a new computer game he's created, which she unwittingly mistakes for a diskette on her GC-161 research.

Season 4 (1997–1998)

# Title Original air date Production
59 "Driving" September 23, 1997 (1997-09-23) 401
Alex wants to buy her own car, so she takes a job at a distribution company run by Louis' dad.
60 "Green Day" September 25, 1997 (1997-09-25) 402
Alex and Robyn are friends, but Robyn's environmentalist group is putting her donut shop job under fire.
61 "Camping" September 30, 1997 (1997-09-30) 403
Alex is stuck playing camp counselor for her old rival Kelly. When the two girls get in danger, however, they learn that friendship may not be so bad between the two of them.
62 "Ashley" October 2, 1997 (1997-10-02) 404
When her Aunt Ashley comes to visit, Alex is instantly taken in by her wild and crazy attitude towards life. Can Barbara bring both her daughter and her sister back down to earth?
63 "Oscar" October 7, 1997 (1997-10-07) 405
Oscar, the GC-161-enhanced chimpanzee, is back, and Alex is struggling to hide him from both Vince and her parents.
64 "Foot Fault" October 9, 1997 (1997-10-09) 406
Louis, while searching for UFO's, catches Alex's powers on film (though he doesn't know it). Alex, meanwhile, is trying to get her father to overcome his fear of bowling.
65 "The Switch" October 14, 1997 (1997-10-14) 407
In a nod to Freaky Friday, Alex and her mother wind up switching bodies, leaving the two girls in shock and confusion.
66 "The Storm" October 16, 1997 (1997-10-16) 408
While a storm blows outside, Alex and Annie reminisce on all that has happened since Alex got her powers.
67 "Leaving" October 21, 1997 (1997-10-21) 409
As Annie prepares to leave for college, Alex's recent exploits to get an ailing woman to the hospital raises Danielle's suspicions.
68 "Senora Garcia" October 23, 1997 (1997-10-23) 410
Alex can't help but feel responsible that her tough-as-nails Spanish teacher got fired, but is she really to blame?
69 "The Doctor" October 28, 1997 (1997-10-28) 411
Alex's doctor check-up is coming, and she's desperate to escape. After all, her altered DNA would be a dead giveaway to the doctor that Alex is not quite average.
70 "The Band" November 4, 1997 (1997-11-04) 412
Alex, Ray, and Louis decide to form a band, but realize that the life of a rocker isn't as easy as one would think.
71 "Things Change" November 6, 1997 (1997-11-06) 413
Ray's got a new girlfriend, but he hasn't told Alex about it. When Alex does find out, however, her jealousy over her best friend reveals itself.
72 "The Return" November 18, 1997 (1997-11-18) 414
A new kid named Hunter has come to town, and Alex manages to befriend him. However, he seems to be curious about the connection between Danielle Atron and GC-161. What exactly is he hiding?
73 "Friendly Fire" November 20, 1997 (1997-11-20) 415
While her parents are away, Robyn moves in with Alex. As the two girls bond, George's job at the Plant is once again threatened due to suspicion.
74 "Lies and Secrets" November 25, 1997 (1997-11-25) 416
Having heard of the accident, Hunter has now focused on finding the accident victim, in hopes that he can get one step closer to his agenda. What can Alex do?
75 "Without Feathers" December 2, 1997 (1997-12-02) 417
Alex plays matchmaker for Louis and sets up a double date between Alex and Hunter, him and Hannah Mercury. Ray, on the other hand, is occupied with his new job at a fancy restaurant.
76 "24 Hours" December 4, 1997 (1997-12-04) 418
Just exactly why is all of Paradise Valley acting strangely around Alex? Did someone rat her out to the Plant, or is there something else involved?
77 ""Paradise Lost" (Part 1)" January 15, 1998 (1998-01-15) 419
Danielle Atron is just moments away from releasing her GC-161-enhanced weight-loss drinks to the public. Alex's identity is exposed and she is kidnapped by the Plant.
78 ""Paradise Regained" (Part 2)" January 15, 1998 (1998-01-15) 420
Alex is now a prisoner in the Plant, along with her parents. Danielle sets out to destroy all evidence of GC-161 by blowing up the Plant and traps Alex and her parents inside. Can she escape on time? If her Father creates a cure, will she take it?