The Real Housewives of Orange County

Kelly's concerned her mother's becoming a hermit and Meghan is making her way back to Orange County after the birth of her baby, Aspen. Returning housewife Lydia is determined to bring Tamra and Vicki back together.

Tempers flare as Shannon and Lydia meet for the first time.

Shannon comes face to face with her weight gain as well as her nemesis Kelly Dodd, who crashes their dinner.

Shannon takes her daughter Sophie out for a driving lesson and Kelly looks to improve her love life from the inside out. Lydia's mom throws a birthday party for her grandson, where Vicki forms an instant bond with new housewife Peggy. Tamra looks to break the cycle of parental alienation and divorce in her family.

Lydia's family takes a vacation full of uncomfortable conversations, while Kelly tackles her fears about her mother's mortality and her desire to move on with Tamra and Shannon.

Tamra organizes a sit down for Kelly and Shannon and Meghan hosts a Sip-N-See for baby Aspen.

Lydia readies for the launch of her magazine and is hopeful Vicki and Tamra can agree to meet and find peace. Can the ladies remain noble at the launch of the Nobleman?

Vicki gets green with envy when she learns that Kelly is planning to celebrate St. Patrick's Day with Shannon and Meghan while Peggy learns that something got lost in translation between her and Tamra.

Kelly suspects her new pal Shannon of being up to her old tricks and confides in Meghan, who puts her detective hat back on to investigate Vicki's issues with Shannon and Tamra.

With Meghan is still reeling from Kelly's attack, Lydia attempts to play mediator. Later, Vicki throws a party where an old friend reveals some details about Eddie's past.

As rumors swirl following Vicki's birthday party, Tamra catches wind of what transpired. Later, all hell breaks loose at Kelly's "Boobs Voyage Party" party when Tamra and Vicki finally talk face-to-face.

Shannon invites Tamra, Meghan, Kelly and Peggy out to dinner where Peggy defiantly defeats a deluge of digs from Kelly. Lydia is hurt to hear she's been excluded from Shannon's soiree.

Lydia throws Doug a party and invites all the ladies despite her hurt feelings over being left out of Shannon's dinner. Peggy is infuriated when David questions Diko about her health.

Peggy and Diko celebrate their anniversary with the ultimate party while Shannon faces the consequences of her husband's actions. Later, Vicki and Tamra finally come face-to-face.

All hell breaks loose when Peggy confronts Shannon about David. Feeling regretful the following day, Shannon confesses to Tamra about the current state of her marriage.

The ladies of Orange County are ready to explore everything in Iceland from hiking a glacier to sampling the exotic cuisine.

Vicki's health scare continues and brings out a shocking side of Peggy. Later, a broken friendship might finally be on the path to mending, while a drunken night causes fractures in another.

After being hurt by Kelly's words, Peggy reveals a secret video to Lydia. Meanwhile, the rest of the ladies whoop it up at a Viking dinner where Tamra and Vicki continue to get along, much to the dismay of Shannon.

Tamra fulfills her greatest wish of attending her estranged daughter's high school graduation. Later, come face-to-face with Peggy for the first time since Iceland.

Lydia is in the hot seat and taken to task for her strong Christian beliefs. Vicki gives an update on her relationship with Steve, while Kelly and Shannon open up about their rocky marriages.

The reunion continues with Kelly and Meghan reviving their text message feud. Peggy airs her grievances to Shannon, and an unexpected turn of events leaves everyone in shock.