The Kardashians are back for season 4! The family heads to Cabo San Lucas, but Kourtney and Kim get into a heated argument that changes the dynamic of the trip.

Kim shares her business acumen on a cross-country trip and ponders second chances. Kris takes some time to refocus on her relationship and herself, while Khloé navigates her new normal with Tristan.

Kim heads back to Milan as her relationship with Kourtney gets to a better place. Khloé helps Scott remedy his back pain and a midlife crisis, meanwhile Kris assists Tristan in landing a dream job.

Kim heads to London for a soccer moms' trip with her son and friends. Kris wants everyone to find love, so she and Khloé set up Scott on a blind date. Later, Kris worries how Khloé will react if Tristan moves on.

Khloé navigates her increasingly complicated living situation while throwing a birthday party for True. Kim continues her European soccer trip and meets a potential date for the Met Gala. Meanwhile, the family helps Scott with his back problems.

Kim heads to Vegas to officiate a wedding but forgets to invite someone. Meanwhile, Kris tries to mend things with Khloé with a futuristic surprise. Later, Kim tries to get Khloé out of the house for a night on the town.

Tristan has one on one chats with Khloé's sisters to finally confront his transgressions. Kim over-exerts herself and turns to Kris for advice. Meanwhile Kourtney goes on tour with her husband.

Kim, Kendall & Kylie attend the Met Gala while North gives critiques. Kris meets with Oscar winner Brian Grazer about a documentary, as Khloé interviews her cousin Cici about their family history. Kourtney has a big surprise to share.

Kourtney takes Kris and Khloé on tour to San Diego. Kim struggles with the pressures of acting in a TV show, and the family gathers to celebrate Kourtney and Travis at their gender reveal.