A baby shower is planned for Rob and Chyna, but a fight ruins the occasion; Kris gets in a car accident.

Kim decides to have a third child; Kendall fears backlash from supporting gun control; Kris gets emotional about her mother.

Kendall suffers from sleep paralysis; Kim searches for methods to control her anxiety; Scott develops an unlikely friendship.

The family heads to San Diego for MJ's birthday; Rob bails and goes missing after a fight; Kim struggles with doing North's hair.

Kim upsets her mother after helping Cait get ready for the ESPY awards; Khloe tests out her new features; Scott finds a healthier way to keep himself busy.

When Rob and Chyna get into an explosive fight, the girls rally behind them with hopes that they can fix their relationship; the family tries to convince Khloé to break her streak of bad birthdays.

When Kris sees Khloé struggling, she urges Rob to reconnect with his sister; Kourtney worries about giving Scott mixed messages; Kris pushes herself too far in order to keep up with her daughters' workouts.

Drama between Rob and the family flares up when Chyna launches an app they find questionable; Scott is on a mission to prove that Kourtney's allergies aren't real.

The Kardashian trip to Cuba continues. Included: A disagreement results from Kim's commitment to her work engagements on Mother's Day; Scott comes down with a major case of FOMO; and tensions rise over Kylie's Puma endorsement.

The ladies embark on a once-in-a-lifetime trip to the formerly restricted country of Cuba. Included: Kourtney butts heads with a family member; and Kris grows frustrated when she can't reach her girls overseas.

Kim wonders if she should take a stand for Kanye, feeling fed up that he's misunderstood and unfairly vilified; at the same time, she gets ready to appear in Fergie's "M.I.L.F.$" music video.

Kim feels like she is being pulled in in different directions as she tries to cater to both her sister and her husband during a trip; Scott tries to decide if he should surprise Kourtney by showing up in Iceland.

After the announcement of his engagement, Rob has another piece of news that will change the family forever; Kylie struggles with anxiety from being in the spotlight.

The family continues their vacation in Vail, while taking in the news of Rob's engagement; Scott tries to stay on his best behavior for the rest of the trip.

Kris surprises the family with a Vail, Colo., vacation; the family learns that Rob has proposed to Blac Chyna; Kourtney worries about Scott's behavior.

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.''

Kendall, Kylie and Khloé get prosthetic makeovers in hopes of having a normal day out; Scott feels insecure about his place in the family; Kris resists Corey's idea of fun.

The girls start to make peace with Rob's new relationship. Meanwhile, Kris and Kim reach their breaking points as housemates, and Kendall struggles with feeling left out.

Khloé is upset when she is the last to know that Rob is moving into a house of his own. Meanwhile, Kourtney becomes an interior design diva after landing the cover of Architectural Digest.

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.

The family finds out that Rob is dating Tyga's ex; Khloé goes out of her way to make sure that Lamar has a house of his own, Scott builds a new lifestyle in hopes of winning Kourtney back.