Kim Kardashian gets defensive with Caitlyn Jenner: 'Don't bash us on your way up'

Kim Kardashian to Caitlyn Jenner: 'Don't Bash Us On Your Way Up'

We've seen Caitlyn Jenner being met with love and support so far from her family, but in a new preview of what's to come on I Am Cait, Kim Kardashian has a stern conversation with the 65-year-old former Olympian.

Speaking with her friend, Caitlyn admits that Khloe Kardashian is upset because she didn't like the Vanity Fair article.

WATCH: Caitlyn Jenner Goes Makeup-Free in Opening Scene of 'I Am Cait'

The promo then cuts to Kim offering up some tough love to Caitlyn. "You look amazing. It's your time," she says. "But you don't have to bash us on your way up."

In June, Kim chatted with ET about Caitlyn, but made no mention of family drama. She instead opened up about Caitlyn's hobbies.

"I told her she's a tomboy," Kim confessed. "Because she really likes off-roading and doing all the things that she did before."

Kim Kardashian Calls Caitlyn Jenner a 'Tomboy,' Says Brother Rob Is Happy

As for I Am Cait, viewers can expect some tense moments. Several times, Caitlyn is seen tearing up while listening to other transgender people tell their story. She also breaks down talking about the struggles she's facing in her own journey.

"Because of my status, everyone is looking at me as the spokesperson for the transgender community," she says of the pressure she's feeling. "I'm thinking about my family and I'm thinking about all this kind of stuff and I'm struggling with it."

WATCH: Watch Kylie Jenner Meet Caitlyn Jenner for the First Time

While emotions do run high on I Am Cait, there are lots of fun moments.

In the preview, we see Candis Cayne asking Caitlyn out on a date.

The reality star gets a little flack from her friends for the proposition when she hits the pool in a white swimsuit and cover-up. "Bathing suits, you need a sexy one for Candis," her pal quips.

WATCH: Caitlyn Jenner Cries In Behind-the-Scenes Vanity Fair Video, Talks the 'Difficulty of Hiding'

Caitlyn bites back, "We're not going there."

Caitlyn also embarks on a road trip with her gal pals and learns what happens during a slumber party. "You pillow fight. You tell ghost stories. You compare your boob sizes," her friend explains.

The former Keeping Up With the Kardashians star goes on to share her mission in doing this show. "What I'm hoping for is that the world is going to follow along with me," Caitlyn says. "And we can learn together."

WATCH: Caitlyn Jenner Bares Her Legs in a Sequin Miniskirt

I Am Cait airs Sunday nights at 8 p.m. only on E!

Here are six heartfelt and revealing moments from the docu-series debut episode:

We've Seen 'I Am Cait' - Here Are the Biggest Takeaways
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