On Part 2 of the Jersey Shore Family Vacation Reunion, Justina Valentine digs into this season's biggest cliffhangers. What's Angelina and Vinny 2.0's status? What's Nicole's next step in her ancestry journey? An unwelcome guest shocks everyone.

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.

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

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

Pauly plans an epic yacht day. Vinny takes the roomies bowling. Things get AWKWARD when Snooki confronts 2.0.

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

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.

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.

It's baby # 3 time for Mike and Lauren. Sammi continues her IVF journey. And the rest of the gang takeover the big apple on a double decker and the last stop is Vinny's standup show.

JWOWW's feast of peace is not going as planned. Pauly teaches Nikki the difference between rigatoni and linguini. And with the baby almost here, Mike organizes the next family getaway, but will the baby arrive before the trip?

Jenni opens up like never before. Mike and Lauren have a close call. And with the beef between Angelina and Nicole looming large, it's time for the "Feast of Peace." What could go wrong?

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?

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.

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.

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

Who will win the 1st annual meatball competition? Plus, the gang is invited to Las Vegas for the "big game" and to stay at Pauly's "new" house.

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.

Angelina and Sammi's feud is scrutinized, Nicole primal releases, the Nashville hot chicken claims another victim, and an unforgettable Jersey Shore moment gets a spaghetti Western twist.

Sammi breaks down her long-awaited reunion with Ronnie, Mike goes for a second bite of Nashville hot chicken, the shoremates celebrate getting their own holiday and more.

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

Mike makes an emergency call to guru Thomaste when Sammi and Angelina's beef starts to boil over again, and Ronnie arrives in Tucson, AZ, for another family vacation with the roomies.

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.

Deena takes a back seat from trip planning when the guys plan the family vacation to Tucson, AZ, but after Sammi takes part in a viral TikTok, the serene vacation takes a dramatic turn.

Pauly crafts a spicy plan to help ease tension in the group, Vinny puts his foot in his mouth, and Angelina and Sammi's issues continue to build as the Nashville trip winds down.

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.

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.

Nicole is ready to expand her business in Nashville, Mike attempts to blend in with the locals, and Sammi anxiously awaits the arrival of Angelina and her roomie-turned-ex Ron.

After Snooki invites the squad to Nashville, Mike suggests including Ronnie, which prompts them to call a family meeting as Ronnie and Sammi haven't been in the same room for over 10 years.

Snooki prays holy water can stop Angelina and Sammi's fighting, Lauren enlists Pauly to help share exciting news with Mike, and the squad takes over MetLife Stadium for a New York Jets game.

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

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.

Snooki Night leads to Mike escaping to Las Vegas for a guy's night, Jenni and Sammi check in on Angelina, and the gang gets an unexpected call from the mayor of Atlantic City, NJ.

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

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