Danielle confronts Alex; George makes an antidote for GC-161.
Danielle gets FDAS approval for GC-161 as a weight-loss drug; the Mack family is captured.
Everyone around Alex is acting very odd; she decides to investigate.
Louis is set up with Heather Mercury; Ray grinds pepper.
Hunter misses a date with Alex; Hunter searches for a kid involved with the GC-161 accident.
Robyn moves in with Alex; Ray and Louis learn to work together.
A mysterious boy returns to Paradise Valley; Danielle blackmails a board member.
Ray meets a girl; Dave is broke.
Ray, Louis and Kelly form a band.
Alex has a doctor's appointment; Robyn's hamster dies.
Alex thinks she got her Spanish teacher fired.
Alex saves a woman's life and raises Danielle's suspicions.
Alex and Annie reminisce about sisterhood and superpowers.
Alex and Barbara accidentally switch bodies.
Louis catches Alex's zapper on film; George fears bowling.
Alex rescues a chimp; Annie tells George about GC-161.
Outrageous Aunt Ashley visits.
Alex learns she is not suited for camp counseling.
Alex's environmental group tangles with Wayne's Wigwam.
Alex helps Louis; George helps Kramer.
Alex tries out for cheerleading; Annie narrowly escapes trouble.
A bully picks on Alex; George is a spy suspect.
Bikers Ray and Alex meet a recluse who lives in a treehouse.
Alex's friends dislike her sneaky new pal.
Alex's new beau is dating Annie also.
Alex befriends an unpopular guy; Dave helps Ray pass a driving test.
Alex cheats in math.
Alex has a 7th-grade admirer.
Alex discovers corruption in the town's Woman of the Year contest.
Louis wants to impress an old friend.
Annie's work obsesses her; Alex vacates the room.
Enamored Alex realizes there is less to her study partner than meets the eye.
Alex and Ray learn the identity of a radio personality.
Louis helps Ray court his dream girl; intern Annie.
Alex befriends a blue-haired, nose-ringed newcomer.
Louis will stop at nothing for a good story.
Alex reacts with uncontrollable bubbles to GC161.
Alex's superstrength attracts unwanted attention.
Ray gets caught up with the basketball crowd.
Yearbook photographer Alex gets paired with Scott.
Alex's next-door neighbor has mysterious contacts at the plant.
The plant sets a trap for the GC-161 kid.
Alex and Robyn get jobs at a video store with a GC-161 detector.
Annie and Ray try to recombine the two Alexes.
Alex inspires Robyn to pass physical education.
Alex runs away after her carelessly used powers ruin Annie's MIT interview.
Louis claims all the credit for a rescue and comes under suspicion.
Alex's powers go haywire at the plant carnival.
Kelly arranges a party at the Macks'.
Ray captures Alex's powers on video.
Alex thinks Scott wants to ask her to the dance.
Annie goes mountain-climbing to impress Bryce.
An unusual talent gets Alex attention; Annie faces failure.
Ray runs for president of the 8th grade.
Alex and George discover the true spirit of Christmas.
Grounded Alex sneaks out for roller hockey.
Alex makes the track team.
Ray gets the powers and goes public.
Alex steals a test for Nicole.
After baby-sitting, Alex is accused of stealing.
Alex is trapped in a haunted house with a mysterious woman; with Michael Learned.
Raymond and Alex are divided about a new neighbor.
The plant sponsors a father-daughter golf tournament.
Alex's journal falls into the wrong hands.
Alex and Dad take a trip to become closer.
Ray gets stage fright at a music recital.
Annie considers going away to school.
Alex's head cold sends her superpowers haywire in front of a reporter.
In anger Alex ruins her mom's presentation.
Alex and Ray have a falling out.
To avoid a test, Libby pulls the fire alarm.
Annie's project is a science-fair finalist.
An obnoxious ninth-grader hounds Alex for a date.
Alex is filmed using her powers.
Alex uses her powers in science class.
Harassment leads to a cafeteria food-fight.
A seventh-grade girl gets superpowers from a spilled chemical.