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.

Kim, Kourtney and Khloé travel to to the once-restricted country of Cuba. Originally, they were going to watch Kendall walk in the Chanel show, but she had to drop out due to a schedule conflict. The sisters turn it into a family trip and bring Kanye, Malika and the kids along to absorb some culture. They tour the sites of Havana and are so taken by the Cuban capital that Kanye says he'd like to shoot a music video there. Meanwhile, back in Calabasas, Kris is lonely without her eldest daughters, so she focuses all her attention on Kylie. At first, Kylie feels harassed, but she comes around to enjoying the quality time with her Mom.

The sisters try to fix Rob and Chyna's relationship after the couple get into an explosive fight; the family set their sights on ending Khloe's streak of bad birthdays; and Kourtney panics about having to go on press tour without her siblings.

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.

The family celebrate MJ's birthday in San Diego, but can't escape the drama when Rob doesn't show up for the party and can't be found after a fight with Chyna. Meanwhile, Scott resurrects "Lord Disick" after much prodding from the Kardashians; and Kim finds doing North's hair a struggle.

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

Kim's choice to try for a third child proves to be a matter of life and death. Kendall fears backlash from supporting stricter gun control and Kris gets emotional about her mom.

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

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.

Kim undergoes one final procedure on her uterus in an attempt to carry another baby, but suffers from dangerous complications; Khloé worries about her business successes; Rob must learn to ignore criticism from his family.

After receiving some troubling news about Kanye while in New York for the Angel Ball, Kim rushes home to his aid; Kendall worries that a bad review from Vogue could jeopardise her modelling career; Khloé clashes with Malika over priorities.

The family makes a big decision about the future of the show and reflects on how "Keeping Up with the Kardashians" will truly be an end of an era. Kris goes on a girls’ trip to decompress from the decision.

Kim becomes torn over maintaining a relationship with Cait; she confirms that her mom's reason for cutting ties is valid; Kendall introduces her sisters to the first openly gay royal; Rob implements his own time of the month.

Khloé explores the possibility of becoming Kim's surrogate but receives some shocking news about her own fertility in the process; the sisters pressure Kourtney to step up her flirting game; Rob threatens to bail on his 30th birthday

Kim gets LASIK eye surgery after struggling to see herself in a mirror at a dance rehearsal with Pussycat Dolls creator Robin Antin. Bruce is anxious to talk to Kendall and Kylie about his colonoscopy. Kim performs with the Pussycat Dolls on the Las Vegas Strip.

Scott is devastated when he hears a rumour about Kourtney; Kim is back to work and fears she might not be cut out for her public lifestyle anymore; Kendall gets upset with Caitlyn when her efforts to spend time with her dad are taken for granted.

Preparations for Kim and Kris' wedding are featured, with a whole lot of drama.

Kim begins to ease back into her public life, but is blindsided by some upsetting news about Kanye. Meanwhile, Khloé is pressured to mend her strained relationship with Cait; the family speculate about Kourtney and Scott getting back together after an intimate trip to Mexico; and Rob welcomes his first baby.

Kim and Kourtney force Khloé to take a sentimental sister trip to Palm Springs to relive some of their fondest childhood memories; to save his relationship, Rob meets with a life coach; Kris receives an outrageous proposition from a royal family.

The Kardashians show never before seen footage and share some of their favorite moments from the series.

Growing tired of the constant presence of the paparazzi, Kim creates a plan to throw them off her trail once she goes into labor. Kourtney and Khloé attempt to set-up a blind date for their grandma.

Kim attempts to prove that her skills go beyond the world of beauty and fashion as she makes a speech at a conference.

Khloé is upset when she is the last to learn that Rob is moving into a house of his own; Kim speculates about Kourtney and Corey's budding friendship; and landing on the cover of Architectural Digest brings out a new side of Kourtney.

After a fight with Chyna, the sisters try to protect Rob from a toxic relationship. Kris tries to rebuild her relationship with Cait and Kim tries to convince Khloé to make an ex-box.