Alien orphans passing as Earth teenagers in Roswell, N.M., must learn to trust a human who learns their secret.

Liz suspects the new substitute teacher, Ms. Topolsky, is an alien hunter after spying her with Michael's file. Michael steals a key from the Sheriff.

Isabel uses her powers to visit Maria in her dreams after she, Max and Michael begin to fear Maria will not be able to keep their secret.

Although Max has decided he must stay away from Liz, he helps her say a final farewell to her comatose grandmother.

Liz panics when her journal, which contains details of how Max used his alien powers to save her life, comes up missing.

A book entitled "Among Us" leads the gang to a geodesic dome where they discover information that may reveal Max, Isabel and Michael's origins.

Isabel finds a pendant which a Native American named River Dog claims an alien gave to the author of "Among Us" back in 1959.

Alex, who knows nothing about the aliens, is shocked and suspicious when Liz and Isabel say they need a sample of his blood.

Hormones run high when Roswell is hit with an unusual heat wave. Maria and Michael advance their relationship, Isabel notices Alex, and Liz and Max consider starting a relationship. After a night in jail, Liz must decide whether to tell Alex the truth or risk him going to Valenti.

Michael becomes very ill after an encounter with River Dog. Max and Liz have their first date. Alex questions Isabel about their alien side.

Max uses his powers to put out a fire in his mother's kitchen, triggering her memory of how he healed a wounded pigeon when he was a child.

The gang uses the Father's Weekend camping trip to search for clues about a recent "sighting".

The annual UFO convention has Michael looking for answers while Max's life is in danger from an old friend of Valenti's. Max and Michael struggle with their feelings for Maria and Liz, while Isabel asks for space from Alex.

Liz wins a radio contest for a romantic blind date leading Max and Kyle to get drunk and try to win her back. Isabel and Michael leave a sign for Nasedo. Alex and Maria perform for the first time.

After his foster father becomes physically abusive Michael decides the time has come for him to leave Roswell.

Fleeting images that Liz sees whenever she kisses Max lead the couple to a radio tower where they discover an otherworldly metallic orb.

Isabel makes friends with a new girl at school named Tess just as Ms. Topolsky returns with a warning that an alien hunter is tracking down Max.

Although strangely drawn to Tess, Max finds it hard to trust her so the gang decides to set up a hidden camera in her house.

Isabel and Michael share a shockingly erotic dream while Tess approaches Max with the promise that she will explain everything to him.

A mysterious being called Nasedo assumes Max's identity and kidnaps Liz in an attempt to trap the secret government agent chasing him.

The gang must work together with Sheriff Valenti, Tess and Nasedo after Max is captured and held at a military base by a special unit of alien hunters.

Even as everyone escapes from the military base Max and Liz realize they are not meant to be together and that Max's destiny lies with Tess.