My Kitchen Rules viewers in Australia have been horrified by a much-hyped scandal that saw two contestants booted from the show.

The most controversial episode in MKR history isn't set to air in New Zealand until next month, but the fiery dinner table fight has been shared widely over social media.

Sonya and Hadil became the first team in the show's history to be "excused from the table" after they launched an extraordinary verbal attack on other teams.

The confrontation took place before entrees had even been served at Kim and Suong's instant restaurant.

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Sonya and Hadil had a clear plan to antagonise rival team Jess and Emma from the outset, criticising the sisters' appearances and calling one of them "a blowfish".

"I've got a really good doctor you can go to to fix your ugly face," Hadil said to one of the sisters.

The attack proved to be too much for Jess who left the table, leaving her teammate Emma to fend off jabs from Sonya and Hadil.

Producers eventually convinced Jess to return to the table, but Sonya and Hadil didn't stop and continued to abuse them.

"They don't belong in the top eight because they can't cook," Hadil said to the table about Jess and Emma.

It was at this point that best friends Stella and Jazzey decided to step in and urged Sonya and Hadil to "stop talking".

"You stop talking!" Hadil replied. "You stop talking! Why are you talking?"

"Who do you think you are?" Stella asked her.

"Who do you think you are?" Hadil replied. "Don't you get involved. Keep your mouth closed. This is not your argument."

Josh then stepped in and told Sonya and Hadil: "It's Kim and Suong's home, you're at their home ... have respect."

But the comment didn't go down well with Hadil who told Josh to "shut up".

"Stay out of it, don't make me come for you. Stay out of it."

And that's when all hell broke loose.

"Bit of a subtle threat doesn't go astray," Stella said in relation to Hadil's comment to Josh.

"We'll come for you too," Hadil replied. "Don't you worry."

Hadil's teammate Sonya pointed to several other teams around the table and yelled, "I'll come for you and I'll come for you and I'll come for you, because you're all disrespectful a**eholes".

"That's what you are, a**eholes!"

It was at this point that Pete and Manu stepped in and told Sonya and Hadil that they'd gone too far.

"Enough! Things have got too out of hand. This is a cooking competition and this behaviour is unacceptable. Sonya and Hadil, you are excused from the table!" Manu said.

"No worries," Sonya told the judge as they got up from the table and left.

"They can dish it but they can't take it," Hadil said to Sonya as they left, and as they slinked into a cab, she told her teammate: "Just get in the car because this is just pathetic, just like those girls."

Viewers were shocked by Sonya and Hadil's outburst at the dinner party and slammed the duo on social media.

* My Kitchen Rules airs Monday-Wednesday, 7.30pm, TVNZ 2.