This week on Jersey Shore ...

JWOWW shares a tense goodbye with her boyfriend Tom.

JWOWW and Sammi have an awkward encounter while picking bedrooms.

The boys make fun of Vinny for bringing a shower caddy.

Snooki, JWOWW, Pauly D and Vinny get excited for their return to Seaside.

Sammi distances herself while the rest of the roommates get to know Deena.

Vinny, Pauly D and The Situation face off against Deena, Snooki and JWOWW.

Ronnie and Sammi choose to isolate themselves in their room.

After watching Vinny and Deena get friendly in the hot tub, Snooki confronts Vinny for hooking up with her best friend.

Deena shocks The Situation when she accidentally strips down in front of him.

Pauly D and The Situation watch the girls' fight from the sidelines.

Sammi confronts JWOWW and Snooki about her hurt feelings from the anonymous note in Miami.