“The Pilot” – 1ADA79 – October 6, 1999

Liz Parker was just a ordinary girl living an ordinary life in Roswell, New Mexico until she was accidently shot while waitressing at the CrashDown Cafe, and Max Evans risks everything to use his alien powers heal her. Sheriff Valenti questions Liz about the shooting and shows her pictures of a 1959 murder victim. Liz then demands that Max tell her everything. He reveals that he, Isabel, and Michael are aliens from the 1947 UFO crash and he used his alien powers to heal her.
Life in Roswell is never the same. . .

“The Morning After” – 1ADA01 – October 13, 1999

A mysterious substitute teacher probes Michael's life and Sheriff Valenti is pestered by the FBI. Meanwhile, Michael contemplates breaking into Valenti's office to steal files pertaining to the 1959 murder victim, and Liz comes up with a plan to try to convince Sheriff Valenti that Max didn't do anything to her at the shooting.

“Monsters” – 1ADA02 – October 20, 1999

Isabel is concerned about Maria's nervous reactions to Sheriff Valenti, so she invades one of Maria's dreams to determine whether she can keep the aliens' secret. Meanwhile, counselor Topolsky holds career guidance sessions with the students; and Max meets a curator obsessed with finding aliens.

“Missing” – 1ADA04 – November 3, 1999

Liz's journal, which contains information about the shooting and Max, Isabel, and Michael, disappears - leading to a desperate search for the thief. Meanwhile, Topolsky's true profession is revealed.

“River Dog” – 1ADA06 – November 17, 1999

With Topolsky closing in on the hidden room at Atherton's dome in Texas where Liz, Maria, Max, Isabel, and Michael are hiding in, the gang narrowly escapes with files and a pendant that Isabel spots on a small statue. Upon returning to Roswell, Topolsky receives orders to retrieve what the kids stole "by any means necessary." A Native American deputy notices Isabel's pendant necklace and tells her he's seen it before at the Mescalero reservation. Max and Liz go to the reservation and meet River Dog who knows about the 1959 alien.
Part 2 of 2.

“Blood Brother” – 1ADA07 – November 24, 1999

Max is injured in a car accident and taken to a hospital, where a sample of his blood is drawn, forcing Michael and Liz to find a way to replace the sample with a vial of Alex's blood. After Max is discharged, Michael spies Topolsky's men rummaging through Max's hospital room.

“Heat Wave” – 1ADA08 – December 1, 1999

Unseasonably hot weather sparks romance as Michael's relationship with Maria heats up, and Kyle finds a new girlfriend - just as Liz's infatuation for Max intensifies. Elsewhere, Sheriff Valenti courts Maria's mother, Amy, who he once arrested for interfering with a structural demolition, and Isabel enters into one of Alex's dreams. Alex finally finds out the truth about Max, Isabel, and Michael.

“The Balance” – 1ADA09 – December 15, 1999

Michael discovers a picture of the cave drawings in Max's notebook and sets out to find River Dog, only to return home sick after participating in a Native American ritual. Max and Liz go on their first date, and Alex slips up in front of Milton. After Michael returns home, they have to take Michael back to the reservation in order to save Michael's life.

“The Toy House” – 1ADA10 – January 19, 2000

Max's mother gets a glimpse of him using his powers to put out a grease fire that threatens her life, and she begins to question his secretive nature. Meanwhile, Liz tends to Kyle after he's injured during a basketball game, which makes Max jealous; and Isabel pressures Max to reveal their secret to their mother.

“Into the Woods” – 1ADA11 – January 26, 2000

A bright flash of light in the sky is witnessed by several people in the woods near River Dog's reservation, leading Max and Isabel to investigate the incident during a school camping trip. Liz is forced to endure the outing with her father and pays Maria to accompany them.

“The Convention” – 1ADA12 – February 3, 2000

A convention at the UFO Center attracts an alien hunter who claims to know what really happened the night of the 1959 murder that ended the career of Sheriff Valenti's father. Meanwhile, Max takes on extra duties at the center to help keep his mind off of Liz; and Maria's mother organizes a wrestling match that features a mystery performer.

“Blind Date” – 1ADA13 – February 9, 2000

Thanks to Maria for entering the unsuspecting Liz in a radio contest, Liz wins the prize of a blind date with a guy the station selects using her criteria. The catch - the couple's activities are reported live by an annoying DJ who accompanies them. Meanwhile, Maria joins Alex's band and immediately takes over, making major changes just before an important tryout; and Kyle and Max get drunk and bond.

“Independence Day” – 1ADA14 – February 16, 2000

Michael shows up at school with a black eye after a violent encounter with his foster father. Isabel urges him to report the incident, but Michael is reluctant to draw attention to himself. Meanwhile, Maria and Liz experience an embarrassing run-in with Sheriff Valenti when they catch him making out with Maria's mother.

“Sexual Healing” – 1ADA15 – March 1, 2000

Liz and Max give in to their feelings for each other, and their kisses connect them telepathically. Liz sees images that may be Max's memories of his crash into Earth, while Max experiences visions of Liz's past. Meanwhile, Michael and Maria experiment with their own make-out sessions, and Isabel despairs in her solitude.

“Crazy” – 1ADA16 – April 10, 2000

FBI agent Topolsky returns to warn Liz that a covert alien hunter inside the Bureau is pursuing Max and his friends - and that he will stop at nothing to get what he wants. Meanwhile, Isabel befriends a new female student, Tess, who immediately arouses Max and Michael's suspicions.

“Tess, Lies, and Videotape” – 1ADA17 – April 17, 2000

Max develops an uncontrollable attraction to Tess that includes intense sexual daydreams, and Sheriff Valenti learns that Topolsky was killed in a suspicious fire. Meanwhile, someone has secretly placed a video camera inside Michael's apartment.

“Four Square” – 1ADA18 – April 24, 2000

Harding finds the video camera hidden in his house and gives it to Valenti. The Sheriff then tells Max that his safety depends upon his willingness to share information. Meanwhile, Tess reveals a personal secret to Isabel.

“Max to the Max” – 1ADA19 – May 1, 2000

Tess' Destiny book suggests that she and Max are predetermined mates, as are Michael and Isabel, who thinks she might be pregnant - with Michael's baby. Meanwhile, Nasedo disguises himself as Max and kidnaps Liz as part of a plan to trap FBI agent Pierce.
Part 1 of 3.

“The White Room” – 1ADA20 – May 8, 2000

Max finds himself in a white room with no windows or doors, facing questions by Agent Pierce. Isabel telepathically contacts Max, who leaves her clues to his location. Michael, Isabel and Tess then set out on a rescue mission.
Part 2 of 3.

“Destiny” – 1ADA21 – May 15, 2000

Max tells Liz everything he knows about Tess, including the fact that she may be his intended mate; Tess learns Nasedo might not have made it out of the military base. Max uses his powers to heal Valenti's son, Kyle, and Max, Isabel, Michael, and Tess discover a holographic message from Max and Isabel's real mom, telling them their destiny.
Part 3 of 3.