A TVNZ employee was told to leave his position or be fired after exposing his genitals at a 2018 staff Christmas party.
The state broadcaster confirmed the man was stood down from his job immediately, and an internal investigation was conducted before any complaints had been laid.
A TVNZ spokesperson told Stuff that the person's behaviour was "completely out of line."
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"We determined there was a breach of our code of conduct, and we acted - that person's gone from TVNZ as a result," the spokesperson explained.
"From start to finish, this matter was addressed within two weeks."
The state-owned media company clarified that the man was not an on-air personality or member of the management team.
It comes less than a week after TVNZ chief executive Kevin Kenrick invited anyone with an allegation to come forward in a public statement.
That plea came in the wake of ex-TVNZ employee Andi Brotherston tweeting her story of a senior manager at the network sexually harassing her in 2010.
She said she had made a complaint about the incident at the time, but the human resources representative she'd spoken to had "burst out laughing and said 'don't be ridiculous Andi... No-one will believe you'".
Mr Kenrick said he wanted the company to learn from their past mistakes, inviting others to come forward.
"We think that there is an opportunity to learn from that and, where appropriate, to apologise for behaviour that was unacceptable."