Seeking a new outlet for her superpowers as JJ prepares for college, Maya sets her sights on a receptive Ray. JJ gets involved in a (too) high stakes poker game, while Dylan discovers what really happens after her bedtime.
McGarrett crosses the line and is arrested while investigating the death of his former SEAL buddy, who died while making an emergency landing on an aircraft carrier, and the only survivor is a baby. Also, Adam returns to Oahu with some devastating news about his marriage.
Graham is joined by Claire Foy, starring in the crime thriller The Girl in the Spider's Web, Hollywood action hero Kurt Russell, playing Santa Claus in The Christmas Chronicles, comedian and writer David Walliams, presenting his new children's book The Ice Monster, and actor and comedian Lee Evans, back on the West End stage in a new Harold Pinter season. With music from Mumford & Sons, performing their new single Guiding Light.
Pacifica is bombed and the heroes decide to follow the Talker Underground to stop whoever is behind the attacks.
As the first woman president, Claire faces increased scrutiny and threats. Sibling power couple Annette and Bill Shepherd attempt to influence policy.
Claire clashes with the Shepherds and Mark Usher, who pressure her to sign the Future Act. Doug makes an unexpected move.
As a crisis mounts in Syria, Russian President Viktor Petrov wants to make a deal with Claire. Questions arise about Tom Yates's whereabouts.
With danger at every turn, Diana and Matthew are forced to run. But will they escape in time? Series finale.
Rebecca re-unites under unusual circumstances with half-brother Tucker and discovers they have many things in common. In an effort to connect with her kids, Paula plans an activity that requires they all to work together. Meanwhile, Nathaniel brainstorms a way to win Rebecca back.
Claire allows her enemies to think she's incapacitated as they plot to remove her from office. Doug's investigation leads him to uncover a secret.
The Shepherds push Claire on a Supreme Court nomination. Doug works to find a new path for himself. Claire consults with Jane on Syria.
Manfred investigates a gruesome murder in the hotel. Lem and Olivia’s psychic connection drives a wedge between them. Bobo’s life is put in danger by a series of strange ‘accidents,’ much to Fiji’s concern.
Claire tries to tarnish Frank's legacy. Doug provokes Claire by releasing excerpts from Frank's diary. A rift develops between the Shepherds.
Tired of "Gorgeous George" and his reign as activities coordinator, Hank backs Charlie and Margaret backs Sid for the position in the upcoming election, and it instantly turns dirty.
After an earth-shattering reveal, the Carringtons scramble to keep the family together on an expedition abroad, with Fallon playing the unlikely role of peacemaker. Meanwhile, back home, Culhane is coerced into a dangerous endeavor.
Claire makes staff changes. The Shepherds try to recruit Doug to their side. With Mark facing intense scrutiny, Jane offers advice.
Disaster strikes when Rick fires up his washplant for the first time. Parker tries a risky plan to keep the gold coming in and must decide on a new foreman to replace Rick. Tony must transport his tug Kid Commando to the dock for a crucial stability test.
While the Shepherd family attempts to diminish Claire's power, Doug goes off the grid but continues angling to advance his agenda.