Another betrayal pushes Monroe to the edge, while Rachel sets off on a dangerous quest to restore the power before Monroe triggers a nuclear device.

When the past catches up with Miles and Monroe in the form of a mutual heartthrob, all hell breaks loose.

On the outskirts of Charleston, the Mason clan and the remaining 2nd Mass suddenly find themselves under brutal attack by a new Espheni war machine - and a new deadly creation that is unlike anything they've previously encountered.

The Espheni reveal their new plan to Tom, and he is faced with an impossible decision. Elsewhere, Anne leads an exhausting search for her daughter Lexi, while Ben's concerns about Lexi's increasing powers uncovers a devastating secret she's been keeping.

Clark struggles to help Jordan who is grappling with a new power. Meanwhile, Lois enlists Clark's help which leads to a surprise encounter.

Clark encourages Lois to reach out for help after noticing her reaching a breaking point. Meanwhile, Jonathan finds himself in a dangerous situation. Lastly, Kyle encourages Sarah to audition for the musical revue at school.

Another betrayal pushes Monroe to the edge, while Rachel sets off on a dangerous quest to restore the power before Monroe triggers a nuclear device.

When the past catches up with Miles and Monroe in the form of a mutual heartthrob, all hell breaks loose.

Seg learns that his home planet of Krypton has been targeted by the world-consuming alien known as Brainiac, so that his future grandson - the greatest hero of all time - will never be born.

Bernhard Witz and co reach the top of Angel Falls in Venezuela, the highest waterfall in the world. But illness threatens their plan to traverse a highline suspended 2,625 feet above the jungle.

Explosives Officer Lana Washington and her team are called to investigate a suspected bomb threat – an iconic, London Black cab that’s been abandoned in a wasteland.

Tom and the 2nd Mass hatch an elaborate plan to escape the confines of the Espheni Ghetto. Meanwhile back in Chinatown, Maggie confronts Lexi publicly about keeping a deadly secret. At the Espheni Youth Camp, Matt tries to talk Mira out of a dangerous escape plan.

After breaking out of the Espheni Ghetto, Tom and the 2nd Mass seek refuge in a Volm hideout, where tensions run high between the Volm and humans. In Chinatown, Anne is reunited with Lexi, and realises that the little girl she saw six months ago is now a grown woman.

After suffering a tragedy, Seg adjusts to the realities of his mission, as well as his newfound rank in the Guilded class, and a new threat. He vows to direct all of his energy toward saving Krypton from Brainiac - as the last son of House El.

Clark struggles to help Jordan who is grappling with a new power. Meanwhile, Lois enlists Clark's help which leads to a surprise encounter.

Clark encourages Lois to reach out for help after noticing her reaching a breaking point. Meanwhile, Jonathan finds himself in a dangerous situation. Lastly, Kyle encourages Sarah to audition for the musical revue at school.

Miles remains wary as Neville claims to be fighting for the same cause; and the gang makes a daring river rescue, while Rachel and Aaron are captured by militia.

Romantic connections heat up between the rebels, while disastrous drone strikes threaten everyone.

Lois, Chrissy and Clark team up to piece together the significance of Smallville to Morgan Edge.

Lana reaches out to Lois and Clark when Kyle starts behaving strangely. Meanwhile, Jonathan opens up to Jordan. Lastly, Sarah storms out after accusing her mom of always covering for her dad.

The death of a beloved client brings Ted and Rick back together. Kevin helps Erica with a family matter. Stuart and Samantha clash over a distasteful client.

Dougie and Whitney hatch a plan to spice up the show while Asher becomes increasingly aloof.

Sarya, grappling with despair, reluctantly agrees to recruit more young volunteers for the YPJ. During this process, Sarya returns Nisrine to the refugee camp.

Ellie boards a flight to Erbil, Iraq, where she encounters Meike, a young Swiss woman. Meanwhile, Jake and Paul are still suspicious about Ellie's possible connections with the FBI.

Bunny’s nightmarish odyssey comes to an end at the sales expo as he faces down his demons, while Junior finally manages to let go of his father.