Vanderpump Rules [OV]

In the Season Four premiere, Lisa Vanderpump vows to take SUR restaurant to new heights. Scheana throws a party for her 30th birthday, but when Kristen shows up, Ariana and Sandoval accuse Scheana of being a fake friend. Schwartz realizes he's ready to commit to Katie, and a visit from Jax's mother offers insight into his life before SUR.

Katie and Scheana quickly teach new girl Lala that there's no such thing as a secret at Lisa's restaurant. Rumors spread that James was unfaithful to Kristen, and Kristen must make a tough choice about who to believe. Jax imports a new girlfriend from Kentucky and Scheana continues to feel the heat from Ariana over her friendship with Kristen.

When Scheana and Katie bust Lala for lying about a modeling job, Lisa Vanderpump turns the table on them for picking on the new girl. Scheana worries her marriage may be in danger. Jax and James compete for Lala's affection and Tom Schwartz makes a big step towards committing to Katie.

Lisa Vanderpump and the SUR crew force Scheana to reassess her marriage. Jax campaigns to get his new flame a job at SUR, even while things heat up between him and Lala. Sandoval and Schwartz pitch Lisa a business plan.

Convinced that Kristen is cheating on him, James seeks revenge by hooking up with Lala. Katie and Ariana urge Scheana not to sweep marital problems under the rug, and a jealous Jax recruits Kristen in his scheme to pull Lala away from James.

Lisa tries to outdo herself by throwing not one but two huge parties for Gay Pride. When James shows up flaunting fresh love bites, everyone wants to know which SUR girl was responsible. Sandoval and Schwartz kickstart Shay's makeover, and Jax seizes an opportunity to move in on Lala.

Lisa treats a group of underprivileged kids to the full SUR experience. Jax stands up for Kristen when her break up with James turns ugly.

Ariana reveals the emotional reasons why she wants Tom Sandoval to stick around after her birthday. Lisa advises the girls to get back at their boyfriends for going to Vegas, so Lala, Katie and Ariana kiss and make up at Scheana's sleepover.

Sandoval and Schwartz learn that not all that happens in Vegas stays in Vegas when they surprise their girlfriends with shocking news from their trip.

Tom Schwartz finally plans to get down on one knee for Katie, but Lisa Vanderpump worries that his proposal scheme will end in disaster

Stassi has been sniffing around SUR, but Lisa Vanderpump wants her to keep her distance. Scheana and Ariana discover that their friendship may be more damaged than they ever knew. With the SUR crew headed to Hawaii, James plots to get invited. Kristen attempts to make peace with Sandoval and newly engaged Katie takes her engagement ring on a victory lap at SUR.

The SUR gang travels to Hawaii to celebrate Jax and Tom's birthdays, bringing their conflicts with them. Lala comes clean about her flirtation with Jax, but Jax refuses to accept any blame. Tom discovers Scheana sent negative texts about him to Ariana's mom. Katie lashes out when Lala skinny dips in front of Schwartz.

While the SUR crew parties in Hawaii, Stassi visits Kristen and reveals the truth about her sex tape. Ariana rejects Scheana's fake apologies, and Tom strikes back with an attack on Scheana's marriage. Lala kicks James out of bed for an equipment malfunction, and just hours before leaving paradise, Jax winds up in jail.

Accused of shoplifting, Jax must answer to the courts, his girlfriend, and - worst of all - Lisa Vanderpump. Stassi finally tells the whole story of her sex tape crisis, and returns to SUR to repay Lisa for helping her keep the tape from leaking.

Katie launches her website with a high-profile party, but an unexpected text message from Stassi threatens to ruin the event. Jax adjusts to his new life as an unemployed outlaw while Brittany adjusts to her new life as sole breadwinner.

When Stassi runs into her old SUR crew at Lala's party, Scheana must finally answer for her part in Stassi's sex tape scandal. Jax brags about his girlfriend's breast enhancement, but his friends are not impressed.

After Tom Sandoval forces Jax to answer for his recent bad behavior, Jax cheers himself up by buying Brittany a boob job. Lisa is faced with a big decision when James makes a scene at PUMP.

Against Lisa's better advice, Katie surprises Stassi in Palm Springs. James convinces himself that Kristen is still the answer to all his problems, even after getting him fired.

Katie begs Lisa Vanderpump to have her engagement party at Villa Rosa, but Lisa balks at having Stassi and Kristen on the guest list. Faced with a looming criminal court date, Jax questions everything in his life, including moving in with girlfriend Brittany.

In the Season Four finale, Lisa Vanderpump hosts the biggest party of the year: Katie and Tom Schwartz's engagement. Guests of dishonor Kristen and Stassi stir up trouble, and trash-talking Lala creates a scene.

The reunion part one kicks off with Kristen in the hot seat as she faces the heat from James and Ariana.

James discusses those notorious bite marks from Gay Pride. Katie and Tom Schwartz talk about their long-awaited proposal, but not without getting grilled about their sex life.

Stassi clashes with Lisa Vanderpump of the handling of Stassi۪s sex tape.

Catch the never-before-seen revealing, embarrassing, and most hilarious scenes you didn't see this season.