One Devastating Death Changes Everything… Outer Banks Season 4 Ended With JJ’s Shocking Family Secret, The Blue Crown Stolen And The Pogues Preparing For Their Most Personal Mission Yet. After discovering Chandler Groff was his biological father, JJ found the legendary Crown — only to surrender it when Groff threatened Kiara. Groff then stabbed his own son and escaped, leaving JJ to die in Kiara’s arms. Now the Pogues are grieving, Sarah is pregnant, and Groff is heading to Lisbon with the treasure. Season 5 isn’t simply another hunt — it’s about avenging JJ.

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Outer Banks Season 4 Ending Explained: JJ’s Family Secret, the Blue Crown and the Deaths That Set Up Season 5

Outer Banks heads into its fifth and final season with the Pogues facing one of their most personal missions yet. By the end of Season 4, they have lost their home, failed to keep the Blue Crown and discovered that Sarah is pregnant. But none of those developments carries more weight than the death of JJ Maybank.

JJ was killed by Chandler Groff — the man Season 4 revealed was actually his biological father — after surrendering the Blue Crown to save Kiara. His death leaves the Pogues grieving and gives them a powerful reason to pursue Groff when Season 5 begins.

With the final season arriving on Netflix on August 20, here are the major Season 4 developments that led to that revenge mission.

The Pogues lose Poguelandia 2.0

Season 4 initially found the Pogues attempting to build something permanent after their El Dorado adventure.

They invested much of their reward money into JJ’s family property and transformed it into Poguelandia 2.0. However, financial difficulties and zoning problems soon threatened everything they had created.

Their lives changed direction again when Wes Genrette recruited them to recover an amulet connected to Blackbeard and the legendary Blue Crown.

Wes died under mysterious circumstances at the end of Episode 2. It was only later that the story revealed Chandler Groff’s connection to his death.

Terrance’s death changes Cleo’s journey

L-R: Madelyn Cline as Sarah Cameron, Chase Stokes as John B Routledge, Jonathan Daviss as Pope Heyward, Carlacia Grant as Cleo, Madison Bailey as Kiara Carrera and Rudy Pankow as JJ Maybank in ‘Outer Banks’ (Cover Image Source: Netflix)

Terrance returned during the treasure hunt as part of the mercenary crew searching for the same prize.

When Lightner attacked Cleo while trying to obtain the amulet, Terrance stepped in and was killed.

His death had a lasting impact on Cleo, and that grief eventually played into another fatal confrontation in Morocco. After Lightner shot Cleo in the arm, Pope killed him to protect her and avenge Terrance.

The moment also leaves Pope carrying the psychological consequences of what happened as the story moves toward Season 5.

Groff leaves a trail of victims

Chandler Groff emerged as the central threat behind many of Season 4’s deaths.

According to Netflix’s Tudum, at least five victims connected to Groff were shown either directly or through flashbacks: Omar, Wes Genrette, Larissa Genrette, Hollis Robinson and JJ.

Although Larissa had died years before the events of the season, Season 4 revealed that Groff was responsible for her death.

By the finale, Hollis and Omar had also been killed as Groff eliminated obstacles standing between him and the Blue Crown.

But the biggest revelation involved JJ himself.

JJ discovers the truth about his parents

J. Anthony Crane as Chandler Groff in a still from ‘Outer Banks’ (Cover Image Source: Netflix)

For most of his life, JJ believed Luke Maybank was his biological father. Season 4 finally exposed the truth.

Luke told JJ that they were not biologically related. The woman JJ had believed was his mother was also one of Luke’s former girlfriends.

JJ’s real mother was Larissa Genrette, making Wes Genrette his grandfather. His biological father was Chandler Groff.

That revelation also meant JJ was a Genrette and, by birth, a Kook — an extraordinary reversal for a character so strongly associated with the Pogues.

Co-creator Shannon Burke explained the thinking behind the twist to Tudum: “That was the most extreme thing we could think of: That JJ’s actually a Kook.”

Unfortunately for JJ, learning who his father really was did not lead to reconciliation.

Groff kills JJ after taking the Blue Crown

Groff’s interest in his son was tied to his pursuit of the treasure.

He needed the lens that could help lead him toward the Blue Crown and repeatedly used JJ whenever doing so served his purpose.

Their conflict reached its devastating conclusion in Morocco.

Rudy Pankow as JJ Maybank and Gary Weeks as Luke Maybank in a still from ‘Outer Banks’ (Image Source: Netflix)

JJ successfully found the Blue Crown, but Groff threatened Kiara with a knife. Faced with the possibility of losing her, JJ surrendered the treasure.

Groff took the Crown — and then stabbed his own son.

JJ died in Kiara’s arms while Groff escaped with the treasure, turning the Pogues’ hunt from another adventure into something intensely personal.

Sarah and John B are expecting a baby

Amid the violence and loss, Season 4 also delivered a life-changing development for Sarah Cameron and John B.

Sarah confirmed her pregnancy with two tests in Episode 7 before eventually telling John B.

Before the group embarked on its final journey, John B asked JJ to become their child’s godfather, making JJ’s death even more painful for the couple.

The pregnancy now gives Sarah and John B another reason to survive the coming conflict and find their way home.

Rafe and Sarah begin repairing their relationship

Season 4 also shifted the relationship between Sarah and her brother Rafe after years of hostility.

Rafe helped the Pogues travel to Morocco and fought Groff. He also finally accepted Sarah’s account of their father Ward’s death — that Ward had sacrificed himself to save her.Jonathan Daviss as Pope Heyward in a still from ‘Outer Banks’ (Image Source: Netflix) (Image source: Netflix)

Their tentative reconciliation helps explain why Rafe becomes part of the Pogues’ uneasy alliance heading into the final season.

Season 5 becomes a mission to avenge JJ

Season 4 ends with Groff still holding the Blue Crown and intending to sell it to a buyer in Lisbon.

The Pogues, meanwhile, are left grieving JJ and considering their next move. Rafe proposes pursuing Groff, while Kiara makes clear that revenge has become her priority.

Madelyn Cline as Sarah Cameron and Chase Stokes as John B Routledge in a still from ‘Outer Banks’ (Image Source: Netflix)

Co-creator Josh Pate explained that the group feels an obligation to act: “They feel a duty to avenge JJ. If they don’t go after Groff, they’ll feel like they’ve let the spirit of JJ or their friendship down.”

That leaves the final season with far more at stake than another treasure hunt.

The Pogues are going after the man who took the Blue Crown, destroyed one of their closest friends and escaped. This time, the mission is personal.

Outer Banks Season 5 premieres on Netflix on August 20.