On their last night in Puerto Rico, Biggie proposes to Mary Jane. Back in Rhode Island, Pauly contemplates his future offers and makes a surprise appearance to DJ the winter dance at his former high school.
Pauly D goes back to school and makes a surprise DJ performance and the gang discusses their future plans together.
Pauly D meets with 50 Cent but the moment is soured when Ryan feels excluded and goes back to Rhode Island.
Biggie asks MJ's parents' permission to marry their daughter and Pauly is invited to have his hands imprinted at Planet Hollywood.
Biggie reaches his limit when Ryan gives Pauly alcohol during his DJ set and Angel has the time of her life in Vegas.
The boys try to trick Biggie into going to a strip club, Angel make a surprise appearance in Las Vegas and Pauly D has big shoes to fill when he DJ's at Rain night club.
When the boys are back in town, Pauly D meets an ailing fan and visits his ex-girlfriend while Biggie looks for rings and Jerry goes on a hot date.
Pauly D is asked to perform at an army base and the guys must mettle up when they attempt to train with the troops.
The boys go through love hardships when Pauly D gets mixed up with a married woman and Biggie thinks about popping the question to Mary Jane.
Biggie and Jerry try to have an intervention with Ryan while Pauly D wonders if he will ever find "true love."
The boys arrive in Las Vegas and Ryan puts Pauly D's residency in jeopardy when he has a meltdown at the club.
Pauly D gets the chance of a lifetime to audition in Las Vegas and he brings his childhood friends along for the ride.
"The Pauly D Project" gives viewers an inside look at Pauly D's life away from Seaside Heights, NJ, as cameras document his transition from world-famous housemate to world-class DJ with his best friends from Rhode Island along for the ride.