Liz Parker learns Max Evans' out-of-this-world secret when he saves her life and must rely on her to safeguard his secret as an orphaned extraterrestrial.

Liz tries to maintain her relationship with Kyle despite her deep bond with Max; Michael is obsessed with the idea that there was another alien in Roswell in 1959 and tries to decipher the meaning of …

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.

Liz's grandmother is rushed to the hospital after suffering a stroke prompting Liz to reach out to Max for comfort.

Liz discovers her personal journal, which contains all she knows about the aliens, is missing and she fears it has fallen into the hands of someone who could expose the aliens.

Michael's monomaniacal urge to find the geodesic dome that's been stalking his dreams leads him to hijack Maria's car to Texas.

Liz and Max journey to an American Indian reservation where they glean information from an elderly tribesman about the alien who vanished in 1959.

Max is injured in a car accident and Liz pressures Alex to help protect him from medical procedures that could expose his identity by providing blood samples to replace Max's.

A freak December heat wave hits the town and sparks romance as Michael's relationship with Maria heats up and Liz's infatuation with Max intensifies; meanwhile Isabel enters into one of Alex's dreams …

While at the reservation Michael ends up in an alarming hallucinatory state and the others must band together to save his life.

When Max rescues his mother from a kitchen fire she faces her suspicions about his extraordinary abilities; Liz reaches out to Kyle in friendship.

A new UFO sighting sends suspicion and fear through the town and leads Max and Isabel to investigate the incident during a school camping trip.

Max plays host to actor Jonathan Frakes at the annual UFO Convention while trying to avoid the meddlesome couple who witnessed Max's life-saving abilities on Liz at the Crashdown Cafe.

Maria enters Liz in a blind date contest; Max and Kyle commiserate about their shared feelings for Liz; Michael and Isabel send a signal to the fourth alien.

After Michael has a violent showdown with his father, Max and Isabel's father helps Michael set up his emancipation; the fourth alien emerges as a shapeshifter who watches over Max, Michael and Isabel…

Liz is unnerved by her strong desire for Max and the visions that come when they kiss - visions that lead to a glowing orb in the desert.

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 befriend…

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 plac…

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

Tess's 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 kidnap…

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 se…

After escaping from Pierce, the aliens save Nasedo. Michael accidentally kills Pierce. Nasedo, as the aliens' guardian takes Pierce's place to help the aliens. The aliens figure out how to use the dev…

Max and the others must rescue Michael after he is arrested for murder; Liz takes a job with a congresswoman who has a hidden agenda.

Brody Davis, the mysterious new curator at the UFO Museum has the group on edge, and Michael and Isabel plotting his demise.

Isabel is deeply moved when Max throws her a surprise birthday party, but she grows troubled after seeing visions of a bound and gagged Tess. Alex does an interesting cop striptease for Isabel.

Michael discovers the hidden history behind the 1947 crash when interviewing a World War II survivor for a school project. The story unfolds with familiar faces portraying people in 1947.

An older Max travels from the future (2014 to be exact) to tell Liz that their relationship will imperil his planet and together they devise a plan to change the future: by making present Max fall out…

After the death of congresswoman Whitaker, Max and the gang visit her hometown, Copper Summit, Arizona, where they find themselves trapped in enemy territory when they learn the whole town population …

The Skins make all the humans in Roswell, New Mexico disappear turning it into a ghost town.

Duplicate versions of Michael, Isabel and Tess come to Roswell after killing their king Zan, to urge Max to attend an important interstellar summit in New York City, but they have their own agenda; Av…

Max and Tess depart for the interstellar summit in New York City with Rath and Lonnie, Michael and Isabel's duplicates, who both harbor a secret agenda for their future king and an alliance with Nicho…

Max witnesses a tragedy and is haunted by the ghost of a man he could have saved, leaving him overwhelmed with guilt and questioning his healing abilities. Isabel aka the Christmas Nazi (dubbed by Mic…

When Isabel develops a psychic connection to a girl who has been buried alive, she races to find the teenager before it's too late. Meanwhile the FBI comes to town and starts asking questions concerni…

Sheriff Valenti is suspended from the force after refusing to answer the FBI's questions about Max and Isabel, but he soon finds himself right back in the thick of things when Laurie DuPree shows up a…

Michael and Maria flee from Roswell after helping Laurie DuPree escape from the police, and Max learns that a deadly parasite was released into Earth's atmosphere when their ship crashed 50 years ago.

Max tries to stop Alex and Kyle from being buried alive in a cave filled with glowing blue crystals; Isabel is kidnapped by Grant Sorenson possessed by the alien parasite queen; Michael is shot while …

When the gang makes a spur-of-the-moment trip to Las Vegas, in order to spend the DuPree money, the event-filled excursion ends in a faceoff between Max and Michael over leadership; Tess and Liz can't…

The onset of junior prom stirs up emotional tumult as Liz tempts fate by asking Max to be her date, Isabel decides Alex is the man she's been searching for, and Michael tells Maria he won't take her t…

The sudden death of a close friend shocks the group.

Liz continues her investigation into Alex's death while Isabel plans her future and Maria wonders whether Michael will always be around.

Max is hit with a one-two punch after he discovers that not only is Tess pregnant with his son, but that the baby cannot survive unless they return to their home planet. Liz, Maria and Michael work to…

Brody Davis, his mind frazzled from an electric shock,holds several members of the gang hostage, when he begins to remember what happened when he was abducted, such as the New York City interstellar s…

Max, Isabel, Michael and Tess struggle with goodbyes on what they believe to be their last night on Earth before they travel back to their home planet. In the final hours, Max frantically searches for…

Max and Liz are arrested and jailed for holding up a convenience store. Meanwhile, Isabel has a secret affair with a handsome attorney, and Michael tries to straighten out his life.

Michael works as a security guard, but when he tries to loosen up his co-workers, he causes more harm than good. Meanwhile, Max and Liz continue to see each other despite her parents' wishes.

With Alex's ghost as her guide, Isabel must finally confront her fears about love and her conflicted feelings for Jesse. Meanwhile, Maria happily discovers a whole new, human part of Michael in, of al…

Max travels to Hollywood while investigating a murder he believes was committed by an alien. He discovers a link to a Paramount science fiction show called "They Are Among Us" and when he goes to the …

Max, with the help of Kal Langley, undertakes a dangerous journey as he seeks to learn of the fate of Tess and his son. Meanwhile, back in Roswell, Isabel and Jesse must face the negative reactions of…

Right before her wedding, Isabel is torn with doubt when she has erotic dreams of her former alien lover, Kivar. Meanwhile, a reluctant Max agrees to serve as Jesse's best man, while attempting to in…

After their idyllic wedding, Isabel and Jesse are stalked on their honeymoon by her alien lover Kivar who plots to take her back to their home planet. Learning of this, Max and Michael arrive intent o…

When an old love visits Maria her passion for music resurfaces, which jeopardizes her relationship with Michael. Meanwhile, while Max's father is still trying to put together all the pieces of his inv…

When Max is fascinated by an intriguing autistic child he wonders if his own lost child is attempting to reach out to him. Meanwhile, Michael plays Santa to Maria and Liz's elves at a charity event. I…

In an attempt to find Roswell's legendary New Year's Rave, Max and Maria join forces. Meanwhile, Liz connects with her father and Isabel helps Kyle find the perfect date for New Year's.

When a journalist friend of Jesse's comes to Roswell, Isabel discovers he's investigating her, Max and Michael, after he witnesses Michael using his powers. Meanwhile, Isabel fantasizes about what her…

When Liz begins to undergo some strange, alien-like changes to her body, she decides she needs to get as far from Max as she can. In order to separate from him she must leave Roswell to go to boarding…

Michael uncovers a conspiracy at Metachem, when a guard is killed on duty. Michael enlists the aid of Max and Isabel when the investigation takes an alien turn. Meanwhile, Liz has entered boarding sch…

Michael, Jesse and Valenti call on a discredited doctor to help the wounded Isabel. Also, Clayton Wheeler undergoes an amazing transformation and soon finds himself drawn to Liz; and Jesse quizzes Mic…

When the gang attempts to return to their normal lives, they soon find that their lives have gotten a lot more complicated, which includes Jesse attempting to come to terms with his newfound knowledge…

Michael witnesses a fatal crash between a fighter jet and an alien vessel, and embarks on his own investigation leading to the recovery of an artifact. Meanwhile, Isabel spends the day with her mother…

Max's quest to find his son ends with the return of Tess and the baby, and the gang find themselves in danger again while trying to protect the child. Meanwhile, Jesse encourages Isabel to reveal her …

As their high school graduation approaches, the gang must come to terms with their expectations for the future, while joining together to thwart the FBI when they discover that several members of the …