Khloe contemplates being friendly towards Kim's new man and Kourtney plans a get together for the family and it gets out of hand.

Kendall's modeling career takes her to New York and she enlists Kim to help her. Scott and Kris are at odds with each other over a key to Kourtney and Scott's house.

Kris decides to change her name back to Kardashian, much to Bruce's displeasure. Kim is tired of people asking if her butt is real & gets an x-ray to set the world straight.

Kourtney contemplates having another child out of wedlock.

Kris thinks Bruce is losing his hearing; Rob admits to Kourtney why they don't hang out anymore.

Bruce finds out Kendall is taking birth control & decides it's time to talk about the birds & bees. Kim discovers a serious rash on her legs & fears her career may be over.

Bruce tries to get his daughters to see how blessed they are.

Scott goes to Vegas, and Kourtney is afraid that he will return to his old ways. Kylie and Kendall think their mother Kris is meddling in their lives.

Kris gets mad at Scott when he attempts to become Kylie and Kendall's manager; and Kim is embarrassed that she doesn't know how to dance

The family goes to Bora-Bora to celebrate Bruce and Kris's 20th anniversary; and Kim's new boyfriend causes problems when he pushes Kim too far.

Kris has self-image issues that threaten the anniversary celebration in Bora Bora; and Kourtney tries to get Scott and Rob to reconcile.

Rob feels insecure about not having a career and it causes him to lash out at Kim while they are in Bora Bora. And Kourtney gives Scott an ultimatum.

Kris Humphries plans to ask Kim to marry him, but an argument between the two makes him wonder if he is proceeding too quickly.

Part 1 of 2. Kim announces that she wants to get married right away, which causes her mom to move up her planned plastic surgery. Meanwhile, Khloe voices concerns about Kris Humphries, who is feeling left out of the wedding plans.

The wedding of Kim and Kris is shown. Guest includes Eva Longoria, Avril Lavigne, Goerge Lopez, Mario Lopez and Demi Lovato.

The Kardashians celebrate Kendall's sweet 16.