The team races to stop Stanton's plan to activate the mini-stims across the continent. Meanwhile, a wounded Rosen seeks revenge for his daughter by going after the Alpha personally.
While Rosen interrogates an Alpha prisoner, Gary and Bill try to rescue Skylar from Parish.
Kat returns to the team as they set out to find Stanton's secret weapon... and protect him. Meanwhile, Senator Burton challenges Rosen's methods of fighting rogue Alphas.
Difficult times arise for Rosen and his team as the loss of a loved one shocks everybody. Meanwhile, a woman abandons a baby boy at the office and Gary takes him under his wing.moreless
Stanton Parish plans works to engineer a city-wide blackout... and Hicks defects to help him.
While Kat takes on her first mission tracking down a street drug that gives normal humans temporary Alpha powers, Rosen discovers the identity of the mole.
Rosen and Parish face off against each other after a young Alphas emerges with the deadly ability to control minds.
Rosen goes to Alpha gadgeteer Skylar Adams for help dealing with Stanton Parish, but Skylar and her daughter are soon at risk when Stanton gets too close.
An Alpha goes insane and his delusions lead him to abduct Rachel. However, when the rest of the team search for her, they find themselves entangled in a series of bizarre situations.
The team discover that the Alpha they're hunting is their missing teammate, Nina, whose powers are going out of control.
Cameron and Bill go undercover as fighters as an underground arena and meet a young girl with a unique power. Meanwhile, Gary considers moving out,Rachel bonds with the team's new tac leader, and Rosen tries to find out more about Stanton Parish.moreless
Rosen and his team look for an Alpha with a vendetta, but the hunter becomes the prey when the Alpha comes after them.
Eight months after Dr. Rosen's startling announcement to the world about the existence of Alphas, the government has had him committed. His Alphas, which have gone their own ways, must decide whether to reunite and save their friend when Rosen is called in to deal with an Alpha prison break.moreless
Dr. Hunt and the team examine a family restaurant business when the owner turns up dead in the freezer.
Rosen and his team must choose sides when Red Flag launches a full-out assault on the Department of Defense.
The DoD imprisons Rosen and his team after they suspect that one of the members is a Red Flag traitor.
After capturing an Alpha working as an obstetrician, the team takes on an Alpha with the ability to remain unseen and undetectable against any opponent.
Cameron and Nina fall under the influence of a cult leader who can make his followers see visions of Heaven... and feel the suffering of Hell.
A young Alpha with the ability to create powerful inventions from common items goes missing, and Rosen and his team are called upon to find her... and protect her. Meanwhile, Gary challenges his mother and Bill contemplates fatherhood.moreless
An unknown Alpha is apparently responsible for several deaths in a small-town high school.
When a grocery clerk commits an impossible assassination, the government calls in Dr. Lee Rosen and his team of "Alphas": unique individuals with neurological mutations that give them special abilities. The team must determine who the killer is and track him down, but soon discover that a greater plan is in motion.moreless
A half-naked woman is found in a park hanging by bondage cuffs and covered in caramel sauce. It's off to the underground world of sexual domination for Castle and Beckett to look for the killer.moreless