The family flies to San Francisco, where Kanye has set-up a birthday surprise for Kim at AT&T Park. Everyone is shocked once Kanye proposes to Kim. Scott deals with his mother's deteriorating health.

The media starts poking into Kylie's beauty secrets and she realizes she must address her new look; Scott is afraid he made a mistake when he hires Kourtney as an interior designer.

Kris has a reason to meet Caitlyn for the first time at Kylie's 18th birthday; Kim takes over Kris's home in preparation for baby number two; Khloé takes steps to move forward.

The family flies to St. Bart's to forget their troubles, but drama follows them; Kourtney gets disturbing news about Scott; Kendall has beef with Kylie for bringing her boyfriend Tyga; Kris struggles to get back on Kim's good side.

Kendall and Kylie attempt to sort out their differences; Kim and Khloé help Kourtney try to forget Scott; when the family returns home refreshed and ready to start new, an unexpected visit from Scott throws them all for a loop.

Kourtney isn't ready for a big product launch and her sisters try to get her head in the game.

Kim leads the planning for a grand 60th birthday party for Kris but is afraid she may have taken on too much at nine months pregnant; Scott finally goes into rehab, but only time will tell if he is ready to change.

The girls remake a legendary family video for Kris's epic 60th birthday bash; Khloé has a hard time finding a balance between supporting Lamar and returning to her daily life; Kendall gets an amazing opportunity.

Kanye invites the entire family to NYC for his fashion show, but Khloé is torn over whether Lamar can handle such a big first appearance since his accident. Meanwhile, Kim tries to keep Scott busy in hopes that he'll stay out of trouble; and Lamar meets Caitlyn for the first time.

Khloé travels to Napa with Kourtney and Kris, where she needs to make a decision about her divorce; Scott tries to rid himself of the alleged Kardashian Curse.

Kris takes her family on a surprise vacation to Vail, Colo.; and the Ks react to news that Rob has proposed to Blac Chyna. Also: Scott's behavior concerns Kourtney.

Conclusion. The family vacation in Vail, Colo., continues as everyone digests the shocking news that Rob is engaged. Meanwhile Scott tries to behave himself for the rest of the trip.

In the mid-season premiere, Kim ends up upsetting her mom by helping Cait get ready for the ESPY Awards. Meanwhile, Khloé gets a taste of what her life would be like with bigger breasts; and Scott tries to find a healthy way to pass the time.

After Kim busts Scott with a girl in Dubai, the family is surprised Kourtney allowed him on the family trip; the sisters discover Scott has invited yet another girl to join him in Costa Rica, the family decides it's time for Kourtney to confront him.

The family confronts Scott about his unwelcome guest; Kourtney informs him that he's ruined any chance of getting back together; Khloé is fed up with her family's attitude; Kim anxiously prepares to testify against the men who robbed her in Paris.

Rob struggles to find a way to be civil with Chyna for their daughter; Khloé puts Kourtney through a series of silly tests to cure her indecisiveness; Kim jets to New York with Kylie for Kanye's highly-anticipated Yeezy fashion show.