A highlight of the juiciest secrets and outrageous lies from seasons past that led to current events and contributed to the "#Scandoval" era.

Ariana rebuilds post-infidelity while house-sharing with Tom. Tom Schwartz tries for peace but is excommunicated. James settles into bliss with Ally. Scheana shares postpartum OCD struggles. Lala risks it all with a grand gesture.

Om returns to LA for his birthday but Ariana opposes his party plans. Scheana struggles with leaving her baby to pursue music. Schwartz confronts Tom about neglecting their business. James faces his ex-friend but Tom drudges up the past.

Schwartz dreams up a clumsy plan to reunite friends. Ariana lays down rules with the group about her ex's inclusion. Katie and Scheana vow to put their bond first. Sandoval appears at See You Next Tuesday, arguing with Scheana.

James and Ally host a pool party, excluding Sandoval. Vanderpump advises Scheana and Lala on a broken friendship. Schwartz's date, Jo, unexpectedly cuts his hair. Tension rises when someone returns unexpectedly.

James surprises Ally with a new addition. Hiring a nanny strains Scheana and Brock. Katie and Ariana skip Tahoe. Lisa unveils her restaurant, leading to tension between James and Sandoval.

Sandoval pursues Scheana, enraging her. Brock confronts a friend over a rumor. James and Ally introduce their new family member. Ariana and Katie interview for their business. Lala's closure attempt leads to a screaming match.

After Lake Tahoe trip, friends reconcile despite tension between Ariana, Katie, and Lala's desire for another child. Scheana confides insecurities to Lisa. Ally hosts astrology night amidst lingering conflicts within the group.

Katie and Lala reconcile after a heated disagreement. Sandoval's attempts to start dating again lead to some uncomfortable situations.

Schwartz reveals a past hookup to Lala, leaving Katie distraught. James hosts a DJ night, but Schwartz's non-girlfriend Jo faces cold shoulders from the girls. Ariana and Katie face obstacles opening their sandwich shop.

Lala hosts a tasting event. Schwartz confronts Katie about a hookup. Ariana questions Sandoval over an irresponsible act. James creates divisions during a beach trip. Tom and Ariana argue over long-held grievances.

Ariana struggles after her breakup with Tom. Katie and Schwartz pursue the same woman. Lala confides in Scheana and Ally about friendship issues. Sandoval and Schwartz attend a singles event where Schwartz kisses another girl.

A podcast reopens old wounds, driving the group apart. Scheana channels her pain into music. Ally and James confront their future. At TomTom's brunch launch, Scheana and Sandoval clash over a perceived betrayal.

James hosts a brunch at SUR, stirring trouble when he neglects Lisa's permission. Schwartz and Katie move forward post-divorce. Ariana invites her boyfriend Dan on San Francisco trip. Katie's accused of spreading Jax cheating rumors.

Lala's burlesque birthday party. Ariana and Katie's project update for Lisa. Schwartz reconnects with Jo after rift. In San Francisco, Scheana pushes Sandoval to apologize to Ariana sincerely. Schwartz's unexpected proposal to Katie.

The gang parties on Treasure Island. Scheana debuts "Apples." Katie argues with Jo. Scheana mentions her Sandoval encounter at Ariana's lunch, causing drama. Sandoval confronts Ariana, straining friendships.

Sandoval faces backlash over poor choices. Ariana pursues Broadway career with new partner, questioning shared home's future. Scheana and Brock navigate marital turbulence. Brock's emotional gratitude towards Scheana and Summer.