'This is not OK': Contestants rocked by 'secret move' and growing conspiracies in explosive sneak peek for The Block 2023

There's something brewing on The Block, and it's not coming from the kitchens.

In a gripping sneak peek for tonight's episode – which you can watch in the video above – one team is confronted for their actions while another pulls a secret move that could rock the reveals.

Stream the latest episodes of The Block for free on 9Now.

"This is not OK," says a frustrated Eliza. "So you need to talk about this now."

She's talking to Kristy from House 3 who reminds cameras she's "got nothing to lose".

Catch the full trailer in the video above.

But why has Eliza reached boiling point?

It could be the "special treatment" accusations that started in Week 5.

READ MORE: 'I'm done with it': Kristy and Brett cook up a string of conspiracy theories about their co-stars

"Everyone gets little things," explains Eliza. "I'm kind to people so they're kind back to me."

It's not the only drama we see during the trailer.

READ MORE: 'Think about yourself': Steph and Gian give advice to their fellow competitors

"You do not speak to friends like that," says Leah to cameras.

She's then seen reassuring Eliza and Liberty they're not sharing the same beliefs as their best friends House 3.

Beliefs aside, the extravagant Kitchen and Laundry reveals are just days away and it looks like the girls from House 5 are about to pull a major move.

READ MORE: The coolest white sneakers to wear with everything

"Umm... Scotty?" asks Eliza in a teaser for the upcoming Sunday reveals. By the looks of Kristy and Brett's faces, this is huge.

Don't miss all the action tonight at 7.30pm in an explosive kitchen episode!

The Block airs Sunday 7.00pm and continues Monday to Wednesday at 7.30pm on Nine and 9Now. Catch up on all the 9Now. 

Stream every episode ever of The Block for free on 9Now.