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.

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.