Kim Kardashian and Khloé Kardashian Argue Over a Missing Rob Kardashian—See the Dramatic KUWTK Moments!

The Kardashians take on Thailand

By Kamala Kirk Jul 24, 2014 7:37 PMTags
Watch: Khloe Kardashian Fears for Rob's Mental Health

On the most recent episode of Keeping Up With the Kardashians, Khloé Kardashian meets up with BFF Malika to discuss her concern over younger bro Rob Kardashian's mental health and personal issues, which she fears will keep him from joining the family on vacation.

Speaking of vacation, Kris Jenner rounds up the family and gets everyone to vote on where they want to go for vacation. The final result? Thailand!

Kim Kardashian immediately gets the idea to create a vacation selfie book for Kanye West...

But there's some drama on the plane when Rob doesn't show up at the airport!

Khloé wants to stay behind to find him, but then Kylie Jenner threatens to not go, so Khloé ends up joining the family but worries about Rob the entire time when she can't get a hold of him...

As soon as they arrive, Kim starts snapping selfies, much to Khloé's annoyance...

The first adventure they go on as a family is an afternoon of zip-lining! But Kim freaks out when it's her turn to go...

Kris and Bruce Jenner are constantly arguing on the trip about what activities to do, when all of a sudden they get into a car accident!

Fortunately no one is hurt, but later Kim finds herself in an embarassing situation when stepbrother Brody Jenner walks in on her during a sexy photo shoot!

Tensions reach an all-time high when Kylie and Kendall Jenner get into an argument with Kris, accusing her of lying to them about her "plans" for the trip, which involved inviting Brody, Brandon Jenner and Leah Jenner in order to distract Bruce so she wouldn't have to participate in all of the activities that he wants to do.

The girls storm out of the room, leaving Kris by herself...

On this Sunday's episode, vacation in paradise turns into the vacation from Hell when Kendall and Kylie vanish, causing the family to go on a wild search to find them!

Are they lost in a foreign country? Will the girls be okay?

Tune-in to the brand new episode of Keeping Up With the Kardashians this Sunday at 9/8c on E!