Alex, the leader of the pack, finds himself stuck in the middle of a love triangle between Madisson, his high school sweetheart, and Juliette, his old flame from last summer.

Chloe copes with a huge blow from one of her best friends over Siesta’s heartthrob, Brandon.

Garrett’s jealousy builds as Alex and Kelsey get a bit too friendly on the boat. Kelsey welcomes the attention and wonders whether she sees a future with Garrett. Chloe tries to face up to her destructive behavior.

Alex deals with the repercussions of his fling with Amanda and debates whether or not to tell Juliette. Madisson steps away from the battle for Alex and catches Brandon’s eye. Kelsey and Garrett grow further apart.

Rumors catch fire about Kelsey and Alex in a hot tub just as Garrett and Kelsey reach a crossroads. Madisson and Brandon strike a spark while Chloe considers her relationship with Amanda.

The crew visits Bimini for some days of fun; drama rapidly spreads when evidence of Alex and Kelsey's indiscretions come to light; jealously overwhelms Juliette; Madisson and Brandon continue to get comfortable with each other.

Kelsey continues to weave a messy web between Alex and Garrett. Juliette reevaluates her relationship with Alex. Chloe takes a break from the group. Madisson receives a proposal from her ex that casts a cloud of doubt on her future with Brandon.

Garrett is in denial about Kelsey and Alex; Juliette flirts with Garrett, and considers spilling the beans; Pauly spends the night in jail; Chloe throws a party.

Things heat up with Juliette and Garrett just as Alex starts to pull away from Kelsey. Alex tries to make things right with Chloe while Brandon and Madisson take their relationship to the next level. Pauly catches a break with a major gig.

Juliette's cruel intentions take a turn; Kelsey's bad decisions catch up with her; Madisson tells Alex how she feels; Pauly pushes Chloe.

Alex gets in a bar fight that leaves his jaw wired shut; and Juliette questions Garrett’s loyalty after a questionable night with Kel.

Tensions reach an all-time high at Chloe's birthday. Madisson confronts Canvas, Garrett is unable to stay away from Kelsey, and Juliette takes comfort in the familiar arms of Alex.

Kelsey receives a modeling opportunity that sends her packing for NYC; Bradisson attempt to get their relationship back on track; Juliette heads back to school, but her happy arrival quickly turns into a nightmare.

Rumors emerge about Juliette and Alex; Kelsey and Madisson head off to New York to pursue their careers, but a rude awakening awaits them; Brandon makes a choice that forever changes the course of Bradisson.

Juliette reveals her rekindled relationship to the group; Kelsey and Garret continue to bond; Tarik opens up about his sexuality; Brandon struggles with his infidelities as Chloe and Canvas dig for the truth.

Kelsey tries to reignite things with Garrett, but a new love interest occupies his attention; Hannah continues to meddle in Juliette's relationship; an unexpected romance blossoms.

Paige breaks the news to Madisson about her unexpected romance with Canvas; Brandon is devastated when Madisson brings her new squeeze Ben to Alex's housewarming party; Alex and Hannah's feud comes to a head.

Brandon makes a final emotional play to get Madisson back; Kelsey reveals her feelings to Garrett, only to be blocked by an unforeseen obstacle; Juliette and Alex have an explosive fight that leaves JAlex's future uncertain.

Juliette’s parents and Alex's parents meet, Madisson is unsure about her future with Ben, and Alex's birthday party goes off the rails when uninvited guests show up.

Jared and Pauly sit down to discuss the birthday party brawl, Chloe confronts Juliette, Alex reveals a secret, and friendships are tested.

Sparks fly and tempers flare during a 70s-themed party, Garrett goes on a date with someone unexpected, Alex gives Chloe an ultimatum, and Brandon's relationship is tested.

Chloe learns that her friendship with Cara may not be as genuine as she thought

After days of turmoil for Jalex, Juliette witnesses something that could change her and Alex forever; Madisson stars in Brandon's music video, causing issues in her relationship with Ben and prompting jealousy from Brandon's girlfriend.

Juliette struggles with the news of Alex and the two girls in his bed; Chloe learns that Ben has been sexting Tawni behind Madisson's back and hatches a plan to catch him in the act; Brandon's girlfriend's jealousy reaches an all-time low.

Juliette receives some shocking information from a surprising source; Garrett and Cara take a huge step in their relationship; Jared struggles to assimilate by using alcohol to escape his past; Pauly gets arrested on a felony charge.

With Jalex on the rocks, Alex connects with an old flame. Madisson reaches her breaking point with Ben. Brandon sets out on tour as a single man and is pleasantly surprised by who shows up at his concert.

Garrett and Cara's relationship is tested; Brandon and Jared compete for Madisson's affection; Pauly faces consequences for his arrest and takes steps to earn his way back into Grandma's good graces.

Juliette turns 21 years old and Alex tries to buy his way back into her life with an extravagant present; Garret and Cara are already at a crossroads when Garrett reveals a job opportunity that puts their relationship in jeopardy.

Pauly tries to defend Alex and stirs up drama at Cara's end-of-summer bash; Chloe shares some findings with Juliette that make her rethink everything she knows to be true; Cara loses her cool with Garrett.

Juliette looks for a fresh start with a new man, everyone is shocked by Madisson's familiar new boyfriend, and Cara and Garrett try to pick up the pieces.

Madisson introduces Ish to her father, Cara and Garrett reach a crossroads in their relationship, and tempers flare when Juliette and Chloe discuss their fractured friendship.

Chloe considers legal action against Juliette, Madisson worries about Brandon, the lines are blurred in Garrett and Cara's relationship, and Alex returns from Europe.

Juliette has to choose between her new job or going to Greece with her new boyfriend, Robby. Alex makes a play for a newly single Cara. Brandon and Amanda’s budding romance is threatened by Madisson and Amanda’s ex, JJ.

Juliette tries to clear the air with Alex and make amends with Chloe and Amanda, Kelsey raises eyebrows with someone new, and Alex brings a date to Amanda's party.

Juliette has second thoughts about her future with Robby, Kelsey's friendship with Jake raises eyebrows, Robby offers Amanda an apology, and Brandon grows suspicious.

Madisson worries about a life-altering possibility, Alex sends personal texts to Robby, Jared anticipates a call from his ex, and Juliette faces off with Alex and Alyssa.

Jared's ex-wife Jessica comes to Florida, Chloe gets in the middle of the drama between Alex and Juliette, and Brandon confronts JJ and Amanda about their flirting.

Juliette tries to avoid drama, Alex and Amanda question Chloe's intentions, and Madisson's future with Ish is jeopardized by her family's disapproval.

Juliette clears the air with Robby, Alex catches Juliette by surprise, Kelsey receives unexpected news, Blend's grand opening is filled with drama, and Chloe plays peacemaker.

When the gang goes to Nashville to support BG's music, old flames reignite, Alex explodes over Pauly's meddling, and tensions between Juliette, Chloe and Amanda boil over.

Juliette wrestles with her guilt, Alex tries to quell Alyssa's suspicions, Chloe makes a deal, and Madisson catches up with Cara while visiting Ish in New York City.

Juliette wants to come clean to Alyssa about Nashville. Chloe is caught between her loyalty to Juliette and her career. Amanda chooses sides, betraying Juliette in the process.

Garrett sends Kelsey mixed signals, Jared's girlfriend butts heads with Chloe, Robby tries to reconnect with Juliette, and Madisson defends her relationship.

Brandon reconnects with his former flame Camilla, Amanda and JJ struggle to trust each other, Juliette contemplates a new romance, and Alyssa learns life-changing news.

Brandon puts his dreams on hold, Chloe feels overwhelmed at work, Madisson pursues acting, and Juliette is shocked when she finds out Alyssa is pregnant.

Juliette takes on a daunting work assignment, Chloe's meddling threatens her friendship with Madisson, and Kelsey's future with Garrett is jeopardized by her ex.

Madisson distances herself from the group, Alyssa's mom worries about her daughter's relationship, and unresolved feuds take center stage at Chloe's Friendsgiving dinner.

Old friends are forced to choose a side as Juliette grows closer to Sam, Amanda and JJ make a decision about their future together, and Alyssa finds out her baby's gender.

During the Christmas season, Juliette and Sam become more than just friends, Camilla uses a gift to pressure Brandon to commit, and Chloe blames Ish for her feud with Madisson.

The crew spends New Year's Eve in Miami, Madisson and Ish go house hunting, Kelsey grows frustrated over Juliette's business venture, and Camilla doesn't like Amanda flirting with Brandon.

Kelsey and Madisson share shocking news with Ashley, Juliette and Kelsey's friendship is strained, Garrett launches a supplement line, and Amanda calls out JJ.

Brandon faces a decision about his future, Madisson surprises her friends and family with an announcement, and Kelsey questions Juliette's intentions.

Jeannie Mai hosts as the Siesta Key cast virtually looks back at breakups, makeups and blowups from Season 3, and the group shares relationship updates, shocking secrets and more.

Brandon embraces fatherhood, Chloe reinvents herself, Madisson worries about the age difference in her relationship, Amanda holds a film screening, and Kelsey confronts Juliette.

Chloe tries to repair broken friendships, Kelsey shares a joke that creates a bigger rift with Juliette, and Sam commissions a painting that leaves everyone speechless.

Madisson considers a prenup after a discussion with her father, Camilla and Brandon rehash their difficult past, and Chloe struggles to find support from Amanda and Juliette.

Camilla's flirting leads Brandon to a confrontation, Juliette works out the details of her swimsuit line, and Madisson's anxiety rears its head as everyone prepares for an island vacation.

Chloe makes a shocking announcement, Camilla confronts Brandon about hooking up with Jordana, Amanda is caught between Juliette and Kelsey, and Madisson invites Cara to the island.

Cara makes waves when she tries to make amends with the group, Sam and Juliette don't see eye to eye, Garrett shows his romantic side, and tempers flare at Kelsey's swimwear photoshoot.

Joe and Stef discuss their complicated situationship, Brandon's music video premiere party goes off the rails, and Juliette loses control and shocks everyone.

After Juliette's sudden departure, the vibe on the island changes, Amanda and Tate grow closer, Kelsey and Garrett see a different side of Cara, and Madisson focuses on her mental health.

Madisson makes a big decision about her wedding, Brandon throws a baby shower for Quincy, and Chloe returns with hopes of mending Juliette's and Kelsey's friendship.

Juliette takes charge of her business and hopes to make amends with Kelsey, Jordana wants more from Brandon, and Sam has a request for Juliette as they celebrate their one-year anniversary.

At Madisson's empathy-themed birthday party, Chloe's apology to Cara falls flat, then Juliette considers moving in with Sam, and Tate's secret online life goes public.

Chloe hosts an astrology-themed event, Brandon ponders his custody options, Kelsey is uncomfortable at Juliette's swimwear launch party, and Amanda loses patience with Tate's dishonesty.

Juliette is worried about her relationship as she considers moving out of Sam's house; Chloe has a new boyfriend to impress, but issues with Jordana and Cara test her; Brandon apologizes to Camilla for his past indiscretions.

As Juliette takes steps to move out, her relationship with Sam worsens. Kelsey is lonely in the key. Chloe worries that the groups’ drama will scare Chris away. Jordana throws an art show revealing a deeper side of her.

Juliette and Sam’s tension finally reaches its breaking point. Madisson is overwhelmed when she begins to prep for the wedding. Brandon thinks he’s ready to hang out with the group again, but he’s concerned about seeing Jordana.

Juliette is shocked that Sam moves on so quickly after their break up; the whole group chooses sides between Juliette and Sam, especially Jordana and Cara; Kelsey wonders about life outside of Florida, but Max is hesitant.

Juliette wants to get over Sam while she’s in Paris, but it’s not as easy as she hoped. Sam introduces Meghan to the group among unaccepting friends. Kelsey and Will are concerned about Garrett and Kenna’s relationship.

Juliette thinks she’s over Sam, but seeing him move on with other women changes everything. Brandon struggles with figuring out custody arrangements with Delainey. Cara is frustrated that Michael hasn’t said “I love you” yet.

Juliette is hesitant about rekindling things with Sam. Brandon juggles his son, career, Delainey, and a new relationship. Lexie is stuck in the middle of supporting her best friend, Juliette and her boyfriend’s best friend, Sam.

Juliette’s friends disapprove of her getting back with Sam, and she has to make a difficult decision. Sam and Chloe have conflicting ideas about what’s best for Juliette. Chloe contemplates taking the next big step with Chris.

The girls visit Madisson in LA. A video of Juliette and a mystery guy makes its way around the group. Sam moves on from Juliette, and it brings him back to a familiar face. Kelsey struggles with her relationship and a possible career change.

Juliette tries to be civil with Sam, but Meghan’s return and Mike’s insults push her to the limit. Amanda’s dad’s health scare makes her reprioritize life. Garrett’s plans to live with Kenna threatens his friendship with Will.

Tension between Team Juliette and Team Sam threatens to disrupt Madisson’s wedding. Juliette starts to figure out the next big step for JMP but is overwhelmed by the pressure. Sam contemplates a fresh start elsewhere.

Words are exchanged when the group gathers for Madisson and Ish’s wedding; Juliette, Sam and their new partners have an awkward run-in; and Kelsey and Max’s relationship reaches an impasse.

Rachel Lindsay chats with the Siesta Key gang about Madisson's big announcement, Chloe's desire to change her ways, Brandon's role as a dad, and Kelsey and Juliette's memorable fight.

Ready to take on Miami, Juliette leaps into this new world, but finds herself feeling alienated from Chloe and Amanda. Sam and Jordana's complex relationship is questioned. Brandon feels the pressure to take the next step.

Juliette continues to shut out Chloe and Amanda as JMP the Label evolves. Between Meghan's ultimatum and Jordana's BBL, Sam's attention is split. Brandon is given a shot at proving himself in front of a music industry legend.

Juliette finds out that Meghan has been spreading a rumor about her relationship. Sam sabotages himself when he is pressured to decide what to do about the ultimatum. Brandon's new romantic interest starts to interfere.

Juliette seeks the truth regarding Meghan’s rumor that Clark flirts with her. Sam and Jordana are forced to deal with the aftermath of their scandalous kiss. Lexie and Mike's relationship crumbles as gossip about inappropriate behavior emerges.

As Juliette prepares for Miami Swim Week, the pressure is on to make JMP the Label successful. Jordana faces criticism when friends worry that Sam’s lifestyle is corrupting her. Kelsey visits Miami and begins to fix her friendship with Juliette.

Juliette’s ready for a vacation after Swim Week, but she finds out that’s the wrong move. Cara launches her jewelry line, but her fight with Jordana weighs on her. Madisson visits to receive support from her friends as she grieves the loss of Elliot.

Kelsey and Chloe argue over Jordana illustrating Madisson's book, creating friction in the whole group; Chloe thinks Amanda is disrespecting Juliette by hanging out with Sam; new information further complicates Mike and Lexie's relationship.

When Juliette returns from Greece, she discovers how much has changed with her friends since she left. Jordana’s mom visits, and Sam strives to show her how much Jordana means to him. Kelsey has big news about her future with the group.

Juliette and Chloe become frustrated by Amanda's disloyal actions; Jordana and Sam's relationship is strained when Jordana finally starts listening to the words of wisdom from her friends.

Juliette, Chloe, and Amanda try to recover from their fight, but not everyone is ready to move on. Jordana and Sam continue to have issues with their living situation. Brandon tells Teenear and her dad about his record label opportunity.

Juliette continues her struggle to mend the friendship between her, Chloe, and Amanda. Jordana reveals that she has feelings for Sam, and he doesn’t know how to react. Chloe makes a big push for her company’s future.

Juliette has one last Miami JMP event, and if it’s not successful, she’s back in Siesta Key. Sam and Jordana confront their feelings even with the looming faux fur business launch. Amanda and Chloe try to save their friendship before the summer ends.