Caroline struggles to repair her friendship with Teresa and receives a diagnosis she feared. Jacqueline's daughter Ashley has spent more time than she should have at home, resulting in an ultimatum.

Ashley has a hard time leaving the nest; Teresa's attempt at an apology turns into a violent brawl; Melissa has a musical surprise for Joe.

It's a gossip filled cruise down the Jersey coast; Jacqueline plays referee between two sisters-in-law.

Caroline celebrates her anniversary; Kathy hosts a pool party; Teresa and Joe have a blow out; Jacqueline tries to deal with Ashley's new life.

Joe gives Teresa a shocking ultimatum; insecurities are revealed by Lauren when she talks with her dad about her weight loss; Jacqueline hosts a dramatic family field day.

Jaime announces he will marry Rich; Caroline, Teresa, and Jacqueline come together but Joe makes a joke that goes too far; Kathy and Rosie have a heart-to-heart conversation.

Caroline finds out what Teresa really thinks of her; Melissa debuts her new song with a party; Joe reaches out to his sister one last time.

Jacqueline's daughter, Ashley, is running out of options; Lauren makes a shocking decision regarding her weight loss; Teresa explores options with her bankruptcy attorney.

Teresa takes a big step with her brother; Melissa hosts a party for her radio debut; Teresa moves away from Jacqueline and Caroline.

Kathy tries to find love for her sister at the gay bar; Teresa and her brother, Joe discuss their issues in therapy; Jacqueline and Caroline discuss whether Teresa and her husband are still invited to the Napa trip; Rosie visits Teresa.

Melissa oversees an overblown birthday bash for her daughter but an awkward meeting between Teresa and Jacqueline takes the cake. Meanwhile, Kathy serves up a meal for her sister's new flame and Caroline's son considers introducing his new girlfriend to his family.

A live music festival courts drama; Caroline's family goes to the Fancy Food Festival in Washington, D.C., but plans to sell water there may go awry after a night of drinking.

Kathy opens a gelato stand in Patterson; Teresa is accused of profiting off her family's recipes; the husbands meet and expose feuds and frail friendships which threaten to jeopardize the Napa trip.

The women flee to the California coast to escape Hurricane Irene; tensions between Caroline, Jacqueline and Teresa escalate; Teresa confronts Kathy.

The housewives decide to try surfing; Caroline has family issues; Jacqueline and Teresa try to see if their friendship can survive.

The gang's getaway on the west coast continues with a visit to Napa Valley for a business meeting at a vineyard.

Friendships may be beyond repair when Teresa and Caroline have one last blowout after Caroline overhears a conversation between Teresa and Kathy.

New alliances are formed after the trip; Kathy goes to college for a day with her daughter; Teresa invites her ally, Dina, to her Fabellini release party.

Melissa prepares to confront her past; a distressing phone call sends Joe Gorga and Rich Wakile to Melissa's rescue; Teresa and Jacqueline's friendship is tested.

The housewives all join together for the first time in over a year to discuss the events of the past season in Part 1 of the Season 4 Reunion.

The housewives all join together for the first time in over a year to discuss the events of the past season in Part 2 of the Season 4 Reunion.

The housewives all join together for the first time in over a year to discuss the events of the past season in Part 3 of the Season 4 Reunion.

The lost footage from Season 4 of The Real Housewives of New Jersey.