The Real Housewives of Orange County — Season 8

In celebration of the 100th episode of "The Real Housewives of orange County," Bravo will air a 100th Episode Special will explore the Housewives phenomenon and how it impacted the lives of the new women and their families who have been featured on the show.

In the Season 8 premiere, the women are navigating a minefield of fractured friendships. Vicki embraces the joys of "grandmotherhood" when daughter Briana gives birth to a baby boy. Tamra moves in with fiancée and new business partner, Eddie, while Gretchen must deal with her business ventures alone, as longtime boyfriend Slade gets a job of his own. Heather throws an East Coast-style clambake in her West Coast backyard, but refuses to invite Alexis. The clambake reaches a boiling point when Vicki and Tamra come face-to-face for the first time since last year's brawl over Vicki's beau, Brooks.

Heather's clambake continues, where Vicki's facial "tweaking" becomes the topic of catty gossip. After a confrontation and tear-filled dinner, Vicki and Tamra attempt to repair their lost friendship. Terry's need to constantly make jokes rubs Heather the wrong way, while Alexis and Jim's ballroom dancing lesson rub them the right way. Gretchen visits Slade at the radio station to support his new endeavors, and Tamra gets more than she bargained for when Eddie expresses his concerns about Vicki.

Vicki invites Alexis to be the first to meet her new grandson, Troy. Meanwhile, Tamra and Gretchen shop for baby gifts, and as Tamra tries to get her relationship with Vicki back on track, Vicki threatens to derail their progress. Heather meets with Lydia McLaughlin about featuring her house in Lydia's magazine, but Heather won't give up the goods without a promise of the cover.

Alexis is shocked when Vicki invites her to a party at Tamra's new gym -- but not as shocked as when she finds out that Tamra says it's OK. Lydia makes a splash when she reveals that she's been invited to Tamra's party -- by her old friend Alexis Bellino. Meanwhile, Gretchen and Slade try to keep their relationship strong while dealing with challenging personal issues close to home. Then, on the night of the big party, Tamra wonders if she's made a huge mistake by allowing Alexis to come when things quickly spin out of control.

When Tamra explodes and kicks Alexis out of her party, all hell breaks loose. While Heather and Gretchen are happy to see Alexis go, Vicki is torn between her alliance with Alexis and her renewed friendship with former BFF Tamra. Alexis screams that she's being bullied again, but Lydia disagrees. In the aftermath, Gretchen heads to New York to support Slade as he deals with the hardest challenge he's ever faced. Lydia encourages a reluctant Alexis to reach out to her enemies and make amends, while Vicki's son-in-law drops a bomb about her boyfriend Brooks.

After the battle at Tamra's party, Alexis struggles to turn the other cheek despite her Christian belief in forgiveness. Tamra's newly-repaired relationship with Vicki goes sour when Vicki is a no-show at their new wine business. Meanwhile, Lydia celebrates her free-spirited mom's new sobriety from marijuana. Vicki does her best to navigate a bitter rift between her family and her boyfriend, Brooks, and Gretchen breaks down in tears contemplating her complicated future with Slade. Heather receives an exciting offer to guest star on a sitcom, only to have Terry selfishly ruin the moment.

Tamra doubts Vicki's commitment to their new business venture when they face off in a nasty argument that abruptly ends their Malibu wine-tasting trip. Alexis and Jim celebrate the grand opening of their trampoline park. Meanwhile, Tamra worries that Eddie is more committed to his bike-riding habit than her, and Heather and Terry hit a roadblock in their relationship when it's revealed he went too far in an argument, uttering a word that hits too close for comfort to some of the other Housewives.

While Heather is in Hollywood filming a guest role on Hot In Cleveland, Terry struggles at home alone with the kids. Meanwhile, Alexis pursues her own acting career in Orange County. Gretchen and Slade ruffle some feathers when they are inconsiderate on Heather's big day. Then, Lydia confronts her mother about her marijuana smoking habit.

Vicki is torn between spending the evening with her on-again-off-again beau Brooks and babysitting her grandson Troy. Meanwhile, Lydia convinces Alexis to finally meet with Tamra for the first time since their epic fight. Gretchen visits a fertility doctor, and Lydia tries to accept that her mother won't stop smoking marijuana. Then, Tamra gives a powerful speech at the Los Angeles Women's Expo where she reveals shocking details of her past that she has kept secret for years.

Tamra and Alexis face each other for the first time since the debacle at Tamra's party. Meanwhile, Heather and Gretchen butt heads while planning Tamra's bachelorette party trip to Mexico. Then, just as the ladies head south of the border, O.C. housewife Lauri Peterson tells Gretchen shocking allegations about Vicki's past. Will Gretchen bite her tongue or turn this fiesta into a fight?

In part two of Tamra's Mexican bachelorette extravaganza, Vicki steals Tamra and Lydia away for a night of drunken debauchery, leaving Gretchen and Heather furious. It's all poolside drama when Gretchen and Vicki finally have it out, but Tamra makes a bigger splash when she reveals details of her past to Gretchen. The trip goes from crazy to nuts when Mexican strippers show up, but can Lydia's virgin eyes handle such indelicacy without sending her running for the exit? Back in Orange County, Alexis begs Jim for a gift he's just not willing to give.

Sparks fly when Alexis and Heather finally come face-to-face to settle their differences. Briana and Ryan share an emotional goodbye as he prepares for deployment. Lydia throws a sexy salsa dance party, but finds herself in the middle of big drama when Slade throws a snarky comment her way. Vicki is stunned by the arrival of an unexpected dance partner, while rumors swirl about her love life. Things get ugly when Gretchen threatens to back out of Tamra's wedding dress shopping excursion when she finds out Alexis will be there.

Tamra is frustrated with the slow progress on her fitness studio, while Heather's acting career speeds ahead as she lands another guest role on a popular sitcom. Tamra shops for a wedding dress with the whole gang, but her beautiful day turns ugly when Lauri drops a bomb on Vicki about who Brooks is spending time with. After dinner, Tamra and Heather question Gretchen's honesty.

Lydia looks forward to taking all the ladies on a ski vacation to Whistler, Canada. Alexis hopes for a conflict-free trip, but before the women even reach the snow, Heather and Gretchen tussle over who was really offered a coveted sitcom role. Meanwhile, Tamra hears the raunchy gossip that Lauri has been spreading about Vicki and sets off an avalanche of screams when she spills the beans to Vicki.

In part two of the ladies' Canada trip, Lauri's accusations of indiscretions leaves Vicki's head spinning and launches the mother of all dinner table debacles. Tamra accuses Gretchen of lying, making Gretchen question their friendship. A snowmobile adventure takes a surprising turn, and a subzero vodka binge leaves Tamra tongue-tied in the worst way possible. Back in Orange County, Heather guest stars on a new sitcom.

Though she's made amends with the other ladies, Alexis' luck runs out when she comes face-to-face with Gretchen. Still recovering from the drama in Whistler, Lydia grounds herself in Bible study, and Heather and Terry receive a surprise offer they might not be able to refuse. Meanwhile Vicki struggles to keep things professional on a business trip with Brooks. Tamra confronts Eddie about setting a wedding date, while Gretchen takes matters into her own hands and plots a surprise marriage proposal for Slade.

Gretchen proposes to Slade during a stunning skyscraper rooftop rendezvous, but none of the other ladies score an invite to the engagement party that follows. Heather and Terry break the news to their kids that they've sold their home. Vicki hears Slade insult her on his radio show and plans to confront him at her upcoming "Winter Wonderland" party. As the party begins, the ladies are full of surprises: Tamra reveals her wedding date, Vicki reveals her rekindled relationship with Brooks, and everybody reveals their true feelings about Gretchen.

As Vicki's "Winter Wonderland" party continues, Gretchen and Heather get into a heated argument, and Alexis is brought to tears when hubby Jim faces the other ladies for the first time all year. Briana's husband, Ryan, shocks everyone when he verbally attacks a particular guest. Still reeling from their falling out in Canada, Tamra and Gretchen accuse one another of lies and deceptions. Steaming from Slade's public insults, Vicki and Lydia ambush him in a surprise turn at an already frigid party.

Andy Cohen sits down with Vicki Gunvalson, Tamra Barney, Gretchen Rossi, Alexis Bellino, Heather Dubrow and Lydia McLaughlin to revisit the drama from season eight. The epic three-part reunion begins as Vicki and Gretchen go head to head digging up the past and slinging mud as they vie for Tamra's friendship. The drama then turns to new housewife Lydia who is called to task about her outspokenness and forced to defend herself against accusations of stirring the pot. And then the tension hits a boiling point when original housewife Lauri Petersen returns to defend her claims of Vicki's infidelities instigating an explosive fight that changes the nature of their friendship forever.

The drama-packed reunion continues as Gretchen faces off against the other ladies about Tamra's wedding dress shopping and the accusation that Gretchen tried to force Alexis out of the festivities. Heather confronts Gretchen about what really happened behind-the-scenes with the 'Malibu Country' auditions, and Gretchen is left in tears when the other ladies make shocking accusations about her engagement to Slade.

The electrifying reunion comes to a dramatic conclusion when Vicki's boyfriend Brooks and Briana confront each other in an explosive argument that brings Vicki to tears and has her threatening to leave the reunion for good!

Secrets are revealed in this never-before-seen footage from season eight including Alexis preparing for her big acting audition with the help of her acting coach, while Lydia makes a shocking confession about herself and Doug. Meanwhile, Vicki and Gretchen battle it out for the titled spot of Tamra's BFF at an elegant Bridal Tea Party thrown by the OC's resident "Fancy Pants", Heather. Plus, more is unveiled from the reunion, including a moment with Lauri trying to prove to Vicki, and the world, that she's not a liar.