Isobel helps Kyle save a life. Jones needs something from Michael. Liz and Heath continue to work on the science in the hopes of stopping Jones. Everyone is working together to try and defeat the dictator.

The ultimate showdown with Jones is finally here and Liz must trust herself if she is going to the save the man she loves.

When a major revelation comes to light, Max, Michael and Isobel clash over how to deal with the fallout. Elsewhere, Alex uncovers a secret about Project Shepard and enlists Kyle and Michael’s help looking into it.

Max and Michael find themselves at an impasse over how to deal with the 4th alien. Liz has a dangerous encounter with an unexpected visitor. Kyle spirals after uncovering a dark secret about his father’s death. And Michael is forced to make a difficult decision about his future.

In a series of flashbacks to 2008, secrets are uncovered about Rosa’s final day, Isobel’s mysterious blackouts and Alex and Michael’s relationship in high school.

As the town prepares for the UFO Emporium Re-opening Gala, Liz and team find themselves on a collision course with an unlikely enemy.

Frustrated by her inability to remember what happened the night Rosa died, Isobel turns to Liz for help regaining her memories. Elsewhere, Max and Cameron investigate a series of strange deaths in the town, while Sheriff Valenti reveals information to Kyle about his father.

Max and Michael travel to Texas to visit a faith healer, who may be able to shed some light on the alien symbol Max has been researching. Meanwhile, Maria and Liz pay a visit to the same faith healer in hopes of finding a cure for Maria’s ailing mother. Elsewhere, Alex and Kyle look into what Sargent Manes may be hiding.

Determined to regain control of her life in the aftermath of Noah's death, Isobel makes a risky choice despite its potential consequences. Alex and Michael work together to unravel the mystery surrounding the night Nora's spaceship crashed in 1947.

On the verge of a breakthrough in her quest to save Max, Liz turns to Kyle for one last favor that could potentially land him in hot water. Michael and Alex's investigation into Nora leads them to a farm, where they meet a historian named Forrest.

As the town prepares for CrashCon, Liz and Max attempt to piece together who may be behind a potentially deadly plan targeting the festival; Maria and Isobel take drastic measure to learn more about the night Mimi disappeared.

While Liz is settling in to her new life and career in Los Angeles, Max , Isobel and Michael are figuring out if the stranger in the cave, with the familiar face, is friend or foe.

Jones fills Michael and Isobel in on bits from the past as they look for a way to save Max’s life. Meanwhile, Maria goes to extremes to try and stop a murder, and in order to move forward in her research, Liz will have to face her past.

Liz confronts Max. Maria is desperate to figure out the mystery of her vision and Isobel is learning more about her abilities. Meanwhile, Kyle has a strange encounter and Michael is fueled by his anger.

Isobel and Maria take a trip together to look for answers. Kyle receives a message from his past. Michael makes a disturbing discovery.

Liz makes the choice to lie to Heath. Maria and Rosa stand up to Jordan. Isobel does some digging into Jones.

Max investigates the break-in meanwhile, Alex continues his research. Rosa and Isobel team up and Liz makes a shocking discovery.

Liz's plan does not go as expected, putting herself, Isobel and Michael in danger. Meanwhile, Eduardo confides in Alex.

Liz needs Rosa's help. Maria learns what Jones wants from her. Michael and Alex team up to help save Max.

Liz and Max continue to search for a way to stop Jones. Michael is worried about Alex and elsewhere, Isobel finds a big piece of the puzzle.

A desperate Liz agrees to a deal. Meanwhile, Rosa helps Isobel make a big discovery and the fight to save Max begins.

Max and Michael begin to worry about Isobel after a series of mysterious blackouts cause her to spiral. Liz turns to Grant Green for help when she learns that he may have witnessed something strange on the night Rosa died. Meanwhile, Kyle and Alex uncover a secret that Kyle’s father had been keeping from everyone.

With Isobel’s life hanging in the balance, Liz and Michael frantically search for a way to help her. Max turns to his mom Ann about the origins of the alien symbol. Finally, Alex turns the tables on Sergeant Manes.

The discovery of some complications with Max's pod forces Liz, Michael and Isobel to confront the possibility that they may not be able to save him. Elsewhere, Maria and Alex make amends.

After uncovering a surprising connection to their past, Michael and Isobel learn the painful truth about the night Tripp attacked their mothers. Meanwhile, Alex confronts his father about their troubled family history. Elsewhere, Kyle’s first date with Steph takes an awkward turn after Liz inadvertently becomes a third wheel.