Two rookie lifeguards, Hina and Kainalu try out to be on the team, as Sonny and his family are still grieving the loss of his nephew and Em and Will's past romance is revealed.

Three months after Tom Mason agreed to go with the alien invaders, Weaver is still in command of the 2nd Mass, while Anne continues to serve as medic. Pope has taken command of the Berserkers, a renegade group within the 2nd Mass that Weaver doesn't fully trust.

Tom is still haunted by memories of his time with the aliens, while Pope plants seeds of doubt about him among the group. Ben's hatred for skitters grows and the 2nd Mass scouts locate a bridge that will help them cross the river to safety ahead of an impending attack.

While Gordon assembles an unlikely team to protect Gotham from Dorrance, Selina & Penguin team up to outsmart fellow villain Magpie.

A very much alive Jeremiah returns and organizes a twisted recreation of the murder of Bruce's parents with the help of Jervis Tetch aka Mad Hatter.

While Bruce and Alfred explore the tunnels beneath the city, Bullock's past comes back to haunt him when he and Gordon investigate two murders at Sirens.

Blair is concerned for Chuck's safety and devises a plan.

In a fashionable farewell to remember, our favourite Upper East Siders join forces for one last soiree in the Series finale, and the shocking identity of Gossip Girl is finally revealed!

The 2nd Mass moves into an airport hanger but the draughty conditions cause concern for the group's health. The Berserkers hatch a plan to get rid of Tom, and while dealing with a loss of one of its own, the 2nd Mass receives a promise of hope from a mysterious visitor.

While on patrol together, Ben and Hal try to help a young boy and wind up having their bikes stolen. The hunt to recover them leads them to the discovery of something much bigger. Also, Matt is put in danger, and Weaver is reunited with a family member.

To quell Rankless unrest, the Voice of Rao begins Kandor's Nova Cycle festival and finds a scapegoat for the failed Rankless Initiative. Meanwhile, Seg is approached by a mysterious Black Zero leader.

Two rookie lifeguards, Hina and Kainalu try out to be on the team, as Sonny and his family are still grieving the loss of his nephew and Em and Will's past romance is revealed.

As the Banks family celebrates Will's birthday, his mom comes to visit, causing unexpected tension; the adults consider whether it's time to tell Will about his father.

Tai and Elton hit the streets on the island of St. Thomas, where they connect with locals through food.

To quell Rankless unrest, the Voice of Rao begins Kandor's Nova Cycle festival and finds a scapegoat for the failed Rankless Initiative. Meanwhile, Seg is approached by a mysterious Black Zero leader.

Blair is concerned for Chuck's safety and devises a plan.

In a fashionable farewell to remember, our favourite Upper East Siders join forces for one last soiree in the Series finale, and the shocking identity of Gossip Girl is finally revealed!

Fighting for survival within the heart of Black Zero, Seg finds a window into Krypton's ancient past, but learns that his life may be in danger. Meanwhile, Jayna-Zod grapples with her torn loyalties as she considers an offer from House Vex.

The 2nd Mass moves into an airport hanger but the draughty conditions cause concern for the group's health. The Berserkers hatch a plan to get rid of Tom, and while dealing with a loss of one of its own, the 2nd Mass receives a promise of hope from a mysterious visitor.

While on patrol together, Ben and Hal try to help a young boy and wind up having their bikes stolen. The hunt to recover them leads them to the discovery of something much bigger. Also, Matt is put in danger, and Weaver is reunited with a family member.

Caroline thinks she's doing Max a favour - but she is really stealing Max's thunder - when she takes it upon herself to facilitate Max's breakup with Robbie.

Max introduces Caroline to the art of thrift store shopping, which takes a dangerous turn when a battle erupts over a T-shirt.

It's double trouble when an unforeseen twist puts pressure on the castaways during the immunity challenge; there's nowhere to hide when a pivotal tribal council takes shape and decides who will make the jury.

As the ER begins to quiet down, Robby struggles to cope with a loss, while Abbott and Samira are challenged by a patient’s rapidly deteriorating condition.