The Skins make all the humans in Roswell, New Mexico disappear turning it into a ghost town. Their assault ends with the passing of one of the aliens: Courtney the helpful Skin. Fortunately Tess uses her mindblowing powers and destroys all the other Skins or so it seems until Max and Tess spy a boy resembling Nicholas on a scooter at the end of the episode.
s02e01 - Skin and Bones
s02e02 - Ask Not
s02e03 - Surprise
s02e04 - Summer of '47
s02e05 - The End of the World
s02e06 - Harvest
s02e07 - Wipeout!
s02e08 - Meet the Dupes (1)
s02e09 - Max in the City (2)
s02e10 - A Roswell Christmas Carol
s02e11 - To Serve and Protect
s02e12 - We Are Family
s02e13 - Disturbing Behavior (1)
s02e14 - How the Other Half Lives (2)
s02e15 - Viva Las Vegas
s02e16 - Heart of Mine
s02e17 - Cry Your Name
s02e18 - It's Too Late and It's Too Bad
s02e19 - Baby, It's You
s02e20 - Off the Menu
s02e21 - The Departure
Max, Isabel and Michael have been hiding a secret for their entire lives - that they come from a different planet. When Max is exposed while saving Liz's life, a girl who attends their high school, it eventually leads to a few others learning their secret. The three aliens and their new friends try to go about their normal lives while trying to discover more about where they come from and how to get home - all while keeping their identities secret from the rest of the world.