Mike throws a party (for himself) and the roomies have no clue why; meanwhile an emotional journey for Angelina finally comes to an end as she meets her biological father for the very first time.

While Mike throws a party for the release of his tell-all memoir, the situations reveal some shocking revelations that leave the gang gutted and speechless; Angelina's emotional reunion with her father might be too good to be true.

Snooki night turns into a girl's night that turns into Mike escaping to Vegas for a guy's night with MVP; Jenni and Sammi check in on Angelina and things get a little complicated; the gang gets an unexpected call from the mayor of Atlantic City.

A getaway to Atlantic City gets sexy when Vinny strips, family dinner heats up when juicy secrets are revealed, and Angelina has some choice words for Sammi. Plus, the Mayor of Atlantic City honors the gang with their very own holiday.

The family heads back to their old stomping grounds for a fun day of reminiscing; Mike and Nicole engage in a very Jersey debate; Angelina and Sammi aren't seeing eye to eye.

The squad takes over MetLife stadium for an epic New York Jets game, Lauren enlists Pauly to help share some exciting news with Mike, and Snooki is praying holy water can stop the fighting between Angelina and Sammi.

Snooki invites the squad to Nashville, and Mike suggests inviting Ron on the trip. The only issue…Ron and Sammi haven’t been in the same room in over 10 years! Cue the family meeting.

The gang is Nashville bound, and Snooki is ready to expand her business. Mike is blending in with the locals...sort of. Sammi anxiously awaits the arrival of Angelina and the return of her roomie-turned-ex, Ron.

The meatballs take over Nashville by pontoon and bull. The Situation eats too much food. The roomies wonder how Angelina’s arrival will affect the energy of the trip. Ron’s arrival continues to loom over Sam.

Tensions build between Angelina and Sammi. Ronnie’s long awaited arrival sparks emotions from his roommates when he joins them in Nashville. Sammi and Ron reunite for the first time in almost a decade.

Ronnie and Sammi's reunion has the awkwardness at an all-time high. Pauly's plan to break the tension has the roomies eating hot chicken. Vinny puts his foot in his mouth. Tension continues to build between Angelina and Sammi as the Nashville trip winds down.

Deena takes a back seat from trip planning when the guys plan the family vacation to Tucson. But after Sammi takes part in a viral Tik Tok, the serene vacation begins to take a dramatic turn.

Tucson takes a turn when a Jersey Shore fan club leaks Angelina's DM's. Things come to a head between Angelina and Sammi, and there's only one man to stop it: The Situation.

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 squad takes it back to 2009. Pauly has a prank in mind. Mike wants to write a note. What could go wrong?

As the trip comes to an end, RSVP rides into old Tucson to take on some cowboys and save a damsel in distress during the most epic gender reveal.

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!

The shoremates go full toddler, Nicole primal releases, and the Nashville hot chicken claims another victim; an iconic Jersey Shore moment gets a spaghetti western twist.

Sammi takes a huge step. Vinny opens up about mental health. Nicole looks for answers. And Angelina and Mike bring extra beef to the meatball party.

Finding out who win the first annual meatball competition; the gang is invited to Las Vegas for the big game and to stay at Pauly's new house.

The first night out in Vegas has Jwoww spinning and the meatballs get ready for the apocalypse; in Jersey, Angelina and 2.0 clear the air; in Los Angeles, Ronnie gives back at Lamar Odom's rehab facility.

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.

Snooki takes a huge step in the search of her biological parents. Pauly’s “big game” is finally here. Things get heated off the field when a fight breaks out in the stands.

As the Las Vegas trip comes to an end, the fireworks between Angelina and Nicole continue. Will the squad make it out of Vegas unscathed? And will Pauly’s latest prank go down in the books as a success or a bust?

Jenni opens up like never before; Mike and Lauren have a close call; with the beef between Angelina and Nicole looming large, it's time for the Feast of Peace.

JWOWW's feast of peace is not going as planned; Pauly teaches Nikki the difference between rigatoni and linguini; Mike organizes the next family getaway, but he doesn't know if the baby will arrive before the trip.

It's baby number 3 time for Mike and Lauren; Sammi continues her IVF journey; the rest of the gang takeover the Big Apple on a double-decker and the last stop is Vinny's standup show.

The fam heads back to Jersey to congratulate the new dad of three. Angelina goes live on social. Sammi is in for a sweet surprise.

The Gang heads back to Miami for Deena's family vacation; Pauly and Sammi team up for prank wars.

Deena loses it after the gang complains about her activities. Mike is caught off guard by a surprise visitor. Angelina sets the record straight with Mike.

Mike gifts the squad designer duds for a day of extravagance; Angelina's relationship takes a surprising turn.

Pauly plans an epic yacht day; Vinny takes the roomies bowling; things get awkward when Snooki confronts 2.0.

The family hits up their favorite Miami club and in typical Guido fashion, shenanigans ensue; Angelina and 2.0 are forced to address their issues.

Sammi opens up to the girls; Angelina is still looking for answers; Snooki receives some shocking news.

The Jersey family reunites in MTV’s Time Square studios to talk meatballs and this season’s biggest beef. Are Angelina and Mike really ok? Could a new bff destroy Jenni and Nicole’s friendship? Find out on the Jersey Shore Family Vacation Reunion.

Justina Valentine digs into the season's biggest cliffhangers; looking into Angelina and Vinny 2.0's status; Nicole discusses her next step in her ancestry journey; an unwelcome guest.