Sneak peek teases 'perfect' scores and the long-awaited reveal of a $250,000 kitchen

With so many highs and lows on The Block, it can be hard for the contestants to know when they're hitting the mark.

But on Sunday night's episode, it seems all the Blockheads prove they're some of Australia's best renovators.

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A voiceover teases a "step inside the most awe-inspiring, ultimate dream kitchens in the country."

Shaynna Blaze "oohs" and "ahhs" as she takes a look around one kitchen.

Watch the moment in the video above, where you'll also get a sneak peek at the five kitchens set to be revealed.

"Wow just doesn't cut it," Neale Whitaker says.

"This is just gold," Darren Palmer adds.

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Not only can you expect to see "five stunning masterpieces", Omar and Oz's $250,000 kitchen will finally be revealed.

And while there's no doubt their kitchen will be "pure luxury", we'll have to wait until Sunday night to find out if their quarter of a million dollar advantage will be enough to win Kitchen Week.

It seems the competition will be tight with "kitchens so damn good it's gonna start raining tens".

Vision of the scoreboard flashes several 10 out of 10 scores.

"Holy hell that was good feedback," Scott Cam says.

"We don't see that everyday," he adds.

One question remains – who do the high scores belong to?

Even in a "perfect" kitchen the judges often have criticism.

But Scotty declares that there are "no buts" when delivering feedback to one team.

Tune in on "the Sunday night of the year" for the "must-see ultimate dream kitchen reveals".

The Block airs Sunday at 7.00pm and Tuesday to Thursday at 7.30pm on Channel 9. Catch up on all the latest episodes on 9Now.