After a terrifying showdown, the girls realize where they have to go if they want to end this once and for all. ...

Elisia realizes her relationship with Ash might be in trouble while Rowan meets Alison to discuss what she knows about the new threat. ...

Roman and Riker's black swarm returns, so the Elite Force hops into action to protect Centium City. There's more than meets the eye with Chase's new girlfriend Reese. ...

A rogue plan for Zahid leads to a last-minute mission for Sam, Casey, Paige and Abby. Meanwhile, Doug faces a major test and makes a pivotal choice. ...

As Sam gets political with his art, Elsa and Doug explore a (not-so-normal) weekend away. Casey and Izzie re-examine their relationship. ...

A hard truth keeps Casey up at night. Sam experiences a rough season with Zahid -- and Paige. Elsa and Doug brace for their next chapter. ...

While Sam and Casey face friendship dilemmas, Elsa uncovers a charming surprise, and Doug makes an unexpected decision. ...

Sam’s art assignment inspires an impromptu field trip. Casey navigates a fight with Izzie. Evan works hard for a second chance with Doug. ...

As Paige makes a plan in the face of adversity, Sam awaits a crucial academic update. Elsa endures an uncomfortable encounter. ...

Casey and Evan take to the open road for a tense reunion. Back home, Sam and Zahid get ready to party, and Elsa bids farewell to the past. ...

An ethics professor pushes Sam to his limits. Elsa keeps an eye on Doug ... and Megan. Casey considers her future and encourages Evan to do the same. ...

Sam makes a bold move amid the buzz of orientation day. Casey crosses paths with Nate. Elsa and Doug unpack the hazards of half-truths. ...

Paige invites Sam to redefine their romance, Casey struggles with complicated feelings, and Elsa attempts to find a new normal with Doug. ...

A peer group meeting leads Sam to an important decision. Detention with Izzie shows Casey they have more in common than she thought. ...