Rob Kardashian's family comes to the rescue in a new sneak peek at Sunday's episode of Rob & Chyna

By Brittany King
Updated October 05, 2016 06:19 PM
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What are big sisters for?

In a sneak peek at Sunday’s episode of Rob & Chyna, Kourtney Kardashian comes to the rescue as Rob preps to see his friends for the first time in quite a while.

The clip begins with a nervous Rob talking to his fiancée Blac Chyna, 28, about who’s coming to the party. To his relief, the first guests to arrive are his sister Kourtney and Scott Disick.

“I’m honestly a little surprised he actually showed up for this barbecue,” Disick, 33, tells the camera. “I couldn’t be happier and I know that it’s gonna be good for him.”

RELATED VIDEO: Rob Kardashian and Blac Chyna Are ‘Not in a Great Place’ but Aren’t Broken Up: Source

Within minutes, there’s a second ring at the door, but Rob looks too nervous to answer it.

“Want me to go get it,” asks Kourtney, 37.

“You can go get it,” the 29-year-old replies.

“When the doorbell rings, it’s just like… kind of, I don’t know,” Rob admits during his interview. “I just get real nervous and uncomfortable. I can’t explain it.”

Rob & Chyna airs Sundays (9 p.m. ET) on E!