Nasty messages threatening and abusing MasterChef finalists Jaimie Stodler and Bec Stanley were posted on a TVNZ Facebook page and visible to the public this week.
The open social media page is followed by more than 33,000 fans of the hit cooking show and is supposed to be moderated by TVNZ.
Cyber bullies wrote abusive and threatening messages about the pair, who last week came second to Maketu sisters Karena and Kasey Bird.
TVNZ spokeswoman Megan Richards confirmed complaints had been received and some of the more personal comments were removed.
"The site is moderated and, independently of this issue, there have already been a number of offensive comments removed and a handful of people have been blocked from posting," Richards said.