Justina Valentine joins the roomies to recap Season 5's craziest moments -- from the emergence of Jenni's drunk alter ego and the long-awaited Vin Day to Angelina and Nikki's beverage brawl.

The shoremates return to the reunion stage after a 10-year absence, field fan questions and wonder if the stars have finally aligned for Vinny and Angelina.

TV's greatest Italian family returns to the reunion stage and they're not holding back… is Angeliners finally divorced? Is old Sitch gone forever? Tacos and dramers are on the menu in Part 1 of the Jersey Shore: Family Vacation.

The San Diego trip comes to a close on a high note with a day of exercise, drinking and strippers, and Vinny has a heart-to-heart with Angelina.

Deena is still wondering if last night's showdown was all a prank, while the rest of the roomies are wondering, "Where do we go from here?" Meanwhile, Vinny plans a day in his honor.

When Vinny teasingly retracts his appreciation post to Angelina, Nikki gets caught in the crossfire, Pauly reacts and Deena experiences prank paranoia.

During Deena's Family Fun Day, Angelina gets choked up thinking about her marriage, a health scare lands Jenni in the hospital, and the roommates have a game night with the Wild 'N Out crew.

After Nikki's wild birthday party, the crew tries to fan romantic flames between Vinny and Angelina during an awkward gondola ride, then indulge in the food of San Diego's Little Italy.

The Jersey Shore cast and crew are joined by famous fans to discuss the show's lasting influence on pop culture, including the unique vocabulary, the unforgettable viral moments and more.

Pauly and Nikki join their friends in San Diego, an outing to visit some wildlife helps end the group chat fiasco, and Nicole's hard-partying alter ego Dren reappears at a birthday dinner.

Nicole brings back a familiar costume to make Easter extra special, Deena's leftover frustrations come out during a wine tasting, and everyone returns to their roots with a boardwalk trip.

The crew unwinds at a San Diego pool party after a day of score-settling and bad vibes, Vinny is underwhelmed by a belated birthday celebration in his honor, and Nicole takes a sloppy spill.

The San Diego trip turns into a hostage situation as Jenni and Angelina reignite their old feud, dragging the other roomies into the fight and making them miss Pauly's pool party.

The squad attends Lauren's skin care launch, Ronnie returns to Jersey and opens up about his sobriety, and Nicole and Deena welcome Jerry Springer and "Amy Schumer" onto "The Meatball Show."

Angelina calls Mike out on his messiness, Vinny and Pauly cruise the Las Vegas Strip in style, Deena and Nicole go to work on their she shed, and Jenni accuses Mike of playing both sides.

Pauly and Vinny jet to Vegas for business and pleasure, Jenni gives a speech in her son Greyson's honor at a sensory needs awareness event, and Angelina fears the old Situation's return.

Angelina opens up to couples seeking marriage advice in church, Mike goes on a rant after Angelina shades him on a FaceTime call, and Pauly shares the spotlight with the crew on his show.

The crew brings New Jersey vibes to El Paso, Texas, Angelina stays home and has trouble following her doctor's rhinoplasty rules, and the group grows tired of Mike gossiping.

Vinny breaks the news to his mother that he's returning to Chippendales, drama from Angelina's wedding once again pops up on gossip sites, and Pauly looks forward to a trip to Texas.

Nicole and Jenni try to get Deena to reveal gossip about Angelina, Pauly and Vinny go large at Madison Square Garden, and Mike and Lauren get upsetting news about their dog Mosey.

Vinny shows off his New York City bachelor pad, Mike tries out a new look at Romeo's over-the-top baptism, and everyone's shocked when Angelina jets off to Mexico with a mystery man.

On the final night of vacation, Pauly arranges for a lie detector test for the group, Angelina feels torn about her looming deadline, and Deena sets up one last family activity.

Deena hires a "sexpert" to guide the couples through intimacy exercises, Nicole and Deena return to their meatball origins, and Pauly and Mike plan a surprise for the final day of vacation.

A storm puts a temporary damper on the Floridian fun, a dance party prompts a trip down memory lane, and the crew gets some specialized help from a certified sex therapist.

Deena and Chris's prank lands differently with each of the roommates, Nicole arrives in the Florida Keys just in time for a floating tiki bar, and Mike plans his independence celebration.

Mike gossips about Angelina's sex confession while she loses her cool about her lost luggage, Pauly arrives to reunite MVP, and Deena ambushes the roomies with a murder mystery prank.

Angelina and Chris's dinner date turns into a counseling session, Mike makes a geographical error, Zack surprises Jenni and her kids, and Mike and Lauren have a seaside anniversary picnic.

Angelina struggles to process the pet psychic's dire warnings about Chris, Nicole has a funny idea for Jenni's engagement party, and Mike, newly baptized and off probation, plans a vacation.

Mike reveals who his own godparents will be ahead of Romeo's big baptism, and the girls consult a pet psychic to see how their fur babies really feel about things.

Jenni and Deena are caught in the middle of Vinny and Angelina's fight during a whirlwind day of sightseeing in L.A., and Mike and Lauren get surprising news about Romeo's baptism.

Angelina starts a false rumor about Vinny, Mike prepares a placenta shake for Lauren, and Deena, Angelina and Jenni's trip to Los Angeles doesn't go as planned.

Mike and Lauren bring home their baby after his stay in the NICU, Vinny makes a major real estate decision, Angelina joins in on a meatball day, and the roomies reunite for family dinner.

Deena prepares for a new baby, Mike and Lauren await the arrival of little Romeo, Pauly gears up to restart his DJ gigs, and Angelina turns to Jenni as she considers a divorce.