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.

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.