'Are we going to finish?': Sneak peek reveals rising tension and challenges as pressure of Bathroom Week sinks in The Block 2023

It's Studio Bathroom Week for our brand new Blockheads and the mammoth task is proving to be more challenging than expected.

In a gripping new trailer for tonight's episode – which you can watch above – tensions are rising as the stress of waterproofing, and delivering by Sunday, really sinks in.

You could say, some contestants are on the brink of "boiling point".

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"There's something brewing between Steph, Leah and Kristy," Eliza tells cameras.

She could be talking about the bedhead fiasco in yesterday's episode.

Unbeknownst to Steph, she'd upset Kristy by allegedly withholding information about a bedhead she purchased in the House Decider Challenge – the key word there being allegedly.

A handy flashback clip proved otherwise.

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But is this the reason? You'll have to watch tonight to find out.

In the sneak peek above, we see a confused Leah on the phone to Kristy.

READ MORE: Inside Steph and Gian's rocky start on The Block 2023

Talking about Steph, Leah says, "I don't know if she's dumb and innocent, or smart and sneaky."

Which Kristy responds: "It's definitely smart and sneaky."

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But it takes more smarts to get ahead on Bathroom Week.

House 4's Steph and Gian are already onto a rocky start. Tonight, we could see Steph make her "biggest Block blunder" yet.

"Are we even going to finish?" asks Gian as Steph is shown bursting into tears.

Cue the waterworks and the waterproofing – the pressure's on and it's only their first week!

The Block continues Monday, Tuesday and Wednesday 7.30pm on Channel 9 and 9Now.

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