JWOWW and Snooki return to the house with two new roommates.
The Situation quickly realizes he's amongst the company of a grenade.
Vinny sounds the grenade whistle to rescue The Situation.
Ronnie relaxes after throwing Sammi's belongings all over their room.
Vinny is shocked when his hook-up's family arrives at the house.
JWOWW worries that Sammi will catch her consoling Ronnie.
After Ronnie admits to being friends with JWOWW, Sammi punches him in the face.
The roommates surprise Snooki's friend Ryder with a birthday cake.
Vinny, Pauly D, Snooki and Ryder try to calm down Sammi.
Ronnie breaks down in tears after his fight with Sammi.
Snooki and Vinny decide to buy a stripper pole for the house.
A newly-single JWOWW grows closer to Roger.
Deena confronts "Fake Ronnie" for spreading rumors about her.
JWOWW and Sammi decide to mend their friendship.