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

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.

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.

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.

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.

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.

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.

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.

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

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.

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.

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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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

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

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.

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 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.

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.

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.

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.

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.

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.

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’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.

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 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 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.

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.

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

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.

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 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.

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 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.

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.

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.

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.

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.

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.