On a mission to Vegas to kill Billy’s dad, Marcus accidentally takes way too much acid.

Manfred turns to Olivia for help when his dark past finally catches up to him, and Bobo must confront his own troubled history after the Sons of Lucifer kidnap Fiji.

Strapped down and drugged, Nikita is subjected to Amanda’s horrific mental conditioning process, sending her down a terrible trip through memory lane. In the process, Nikita discovers Amanda’s deepest, most…

Durant dispatches Cullen and Elam on a mission of vengeance. Lily struggles to find her place.

A looming railroad deadline throws Cullen and Lily together; Joseph and Elam deal with what their violent mission has wrought.

In the Season 1 finale, Cullen’s past and future collide, impacting his life on the railroad.

With Elam’s life in the balance, Cullen must decide how much he’s willing to risk. Meanwhile Durant faces financial ruin as Lily confronts the family of her late husband.

Cullen’s search for the sergeant nears its end; Durant keeps to his hidden agenda while assisting in Lily’s recuperation.

A bare-knuckle brouhaha between Elam and Cullen is spurred by Durant’s latest attempt to deal with the railroad’s financial crisis.

Durant challenges the Cheyenne to a competition in an effort to bring a halt to ongoing negotiations. Meanwhile, Elam and Cullen try to prevent bloodshed in town.

Lily encounters natives in the wilderness. Cullen is questioned in regards to his recent actions against others. Meanwhile, Durant continues his push for political gain through his persuasions.

When Lily goes missing, Durant organizes a search party. A subsidiary request prevents Cullen from his continued search for the sergeant involved in the murder of his wife.

Team Scorpion must defy the orders of a foreign government after they retrieve an asteroid from space containing DNA strands that could have deadly consequences once exposed.

Bozer’s first overseas mission goes terribly wrong when Mac and the team are blamed for a terrorist bombing and the Phoenix Foundation is forced to disavow them.

In an attempt to get his job back, Gordon seeks to capture Jack Gruber, a deranged electrical genius who escapes Arkham Asylum. Meanwhile, Falcone struggles to hold onto his empire…

Gordon’s assignment at Arkham Asylum gets off to a rocky start when the murder of a guard ignites an investigation, leading him to meet Dr. Leslie Thompkins. Cobblepot continues to…

With time running out for Starling City, Oliver tries to stop Ra’s from unleashing the bioweapon and killing millions.

The team gates to a climate-controlled environment amidst a toxic wasteland, whose people are all linked to a central computer.

Dean and Bobby have something frightening locked in Bobby’s panic room: Sam, contaminated by demon blood. But as the apocalypse draws nearer, Bobby wants to free Sam to battle on…

Reapers take a break from work, and that means no one can die. But the escorts to the next world aren’t off getting some R&R, unless you call being held…

Can torture be God’s work? After seven angels are mysteriously murdered, Castiel and Uriel demand that Dean use the agony-inducing skills he learned in Hell to extract information from Alastair.