Kim and Kanye take their closest friends and family on an adventure from Paris to Italy, and through the whirlwind of days and events leading up to their wedding.
Kourtney surprises Scott with unexpected news of a third child on the way, and he shuts down. Meanwhile, Kim races to get the final details of her wedding in check.
When Khloe starts hanging with new pals and a new guy, Kim and Kourtney try to find out what's happening. Then, Kris can't accept that Kim and Kanye want to plan their wedding without her help.
Khloe is overwhelmed about decorating her home, so Kourtney offers to help, but fails to mention she comes with a high price. Then, Kris helps her mom alleviate pain by taking medical marijuana.
Can the Kardashians get along on the last leg of their trip to Thailand? Then, Kim falls in love with a young girl at an orphanage and wants to adopt her, but will her family approve?
In an attempt to improve their relationship, Kris visits Cait in New Orleans but when old wounds arise between the exes, Cait's friends must intervene.
When the newly sober Scott visits Cait on the road trip, they struggle to find common ground.
After Cait is challenged to show restraint during the Democratic debates, the women are challenged by a visit to Cait's alma mater, a conservative, Christian college in Iowa.
After witnessing Candis get stood up by a guy because she's trans, Cait reveals her deepest fears about dating men.
After a political fight on the bus gets heated, the women decide to confront Cait on her aggressive debating style and suggest a more feminine approach.
Cait and her friends embark on an epic cross-country road trip in a tour bus, and the other women take the opportunity to corner Cait about her sexual orientation and her politics.
A trip to Vienna proves to be an eye opening experience for Kim and Kris when they encounter shocking racist remarks. Meanwhile, Kourtney finds excuses to stall moving into her new home.
In the season finale, The Kardashians intervene when Melody's flourishing modeling career begins affecting her work at Dash. Stephanie's boyfriend gets released from jail early on good behavior and she struggles to start a new life with him.
A trip to Vienna proves to be an eye opening experience for Kim and Kris when they encounter shocking racist remarks. Meanwhile, Kourtney finds excuses to stall moving into her new home.
Kendall and Kris battle over Kendall's dog and Scott surprises Kourtney with his new mobile office. Plus, is Khloe being too hard on Kris?
Kris goes overboard to make sure Bruce isn't getting lonely now that they're separated. Meanwhile, Scott and Kourtney inherit a painting that might be worth millions!
The family tries to get to the bottom of Kourtney's lack of emotions. Then, Khloe accepts an offer on her house, but doesn't want to start packing and Kris tries to prove she still has it.
Khloe must make a choice about her complicated relationship with hubby Lamar Odom. Kourtney takes Scott on a getaway and Rob receives troubling health news.
Kourtney organizes a family yard sale, Kendall prepares for her 18th birthday and Bruce tries to pretend his upcoming birthday is no big deal.
The family gathers in San Francisco to surprise Kim on her birthday, but the real surprise is Kanye proposing to Kim!