Vinny runs the New York City marathon as Jenni has her directorial debut; the roomies prepare for their first international family vacation in years.

Pauly and Nikki head to Jamaica a day early to celebrate their anniversary. Mike has a surprise for the happy couple. Things get personal at dinner.

Pauly and Nikki play matchmaker for Vinny; Snooki and Sammi arrive in Jamaica; things go sideways when Angelina confronts Lauren.

The squad takes a wild ride. Vinny strikes out. New rumors could upend Angelina’s vacation.

The gang embraces Jamaica's beautiful waterfalls and local cuisines. Vinny embraces Eileen. And everyone turns up until the power goes out!

Lauren and Mike plan an engagement party for Sammi; Uncle Nino arrives in Jamaica; Angelina retaliates against Vinny.

The gang plans their 15-year anniversary; an old friend is summoned; Ronnie and Sammi reunite at the shore house.

The gang (actually Danny) transforms the shore store into an award show as they celebrate 15 years together! The meatballs propose finding love for Vinny's mom. Sammi faces Ron's parents and gears up for an embryo transfer.

MVP learns the truth about the earth; Sammi tries to be a dirty stay out; Angelina needs answers from Mike.

The guidos can't handle the bunker or the truth about the big game; tensions between Jenni and Vinny heat up after Vinny posts a meme.

During a trip to upstate New York, Angelina and Deena clash over beds, Ronnie reveals that his girlfriend Jen might be pregnant, and Jenni refuses to discuss her divorce.

The guidos take over Atlantic City, and Pauly reconnects with an old friend; but the fun stops when Snooki's charcuterie party takes a turn for drama.

After Lauren tells the gang that Mike's release from prison is being delayed, the ladies head to the White House to ask for help, while the guys let loose in Jenni's new home.

Mike starts an investigation on the whereabouts of Angelina’s biological father and continues to stir the pot as the aftermath of the charcuterie party settles in.

Mike makes an emergency call to Thomaste when the beef between Sammi and Angelina begins to boil. Ronnie makes his way to Tucson for another family vacation with the roomies and faces Sammi and Justin.

The shoremates return to break down the long-awaited Sammi and Ron reunion, Mike goes for a second bite of Nashville hot chicken, and we find out if the Angelina and Sammi truce is still on in Part 1 of the Jersey Shore Family Vacation Reunion!

Deena invites Mike, Snooki and Jwoww to her house for dinner; this isn't just any dinner, this is a family fun dinner; there will be food, games and in-depth discussions.

A call from home leaves Ronnie worried and everyone else skeptical, and the roommates help Deena honor her father's memory and fight cancer with a fundraiser.

The girls get to know Ronnie's girlfriend, the couples face off in the first annual Bae Game, Vinny’s reunited with a long lost love, and a Jersey Shore family fun day is about to take a turn when The Investigation returns.

Vinny thinks he has a fever; the girls take a PJ to see Pauly spin; the squad heads down south for a farming good time!

Ronnie falls into a funk as his relationship drama looms over the group, the guys choreograph a dance for Mike's wedding, and Nicole prepares for The Snooki Shop's opening.

Deena gets emotional at her baby shower, Mike and Lauren host their wedding rehearsal dinner, and Ronnie's personal woes create tension with the rest of the group.

The ladies gang up on Vinny after they return from Washington, D.C., the guys plan an elaborate prank, and the roomies get an update about Mike's release from jail.

Ronnie clogs all the toilets in the house, and Nicole and Vinny's past jeopardizes their friendship.

The roommates come up with an elaborate scheme to kidnap Deena and bring her to the house, while newly single Ronnie takes time to himself to come to terms with his breakup.