Director, actor and musician Jemaine Clement discusses his other What We Do in the Shadows spin-off Wellington Paranormal.

Undead members of the Wellington public will feature on a local police mockumentary after getting up to mischief in suburban areas.

Wellington Paranormal is the latest television spinoff created by Taika Waititi and Jemaine Clement, after the success of their 2014 horror comedy film What We Do In The Shadows that followed vampire housemates (Jemaine Clement, Taika Waititi, Jonathan Brugh) as they try to cope with the complexities of modern life in Wellington.

The six 30-minute episodes are due to air on TVNZ 2 in mid-2018, and follow What We Do in the Shadows' police unit members Mike Minogue and Karen O'Leary, as they hunt out ghosts, werewolves and demonic possessions. They were the cops that were hypnotised to not see the blood or dead bodies in the vampires' home.

MONIQUE FORD/STUFF Left Wellington Mayor Justin Lester chats with Jemaine Clement New Zealand comedian, actor and musician in Opera Lane.

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The pair are under the watchful eye of Sergeant Maaka Pohatu, who performs in Modern Māori Quartet during the day.

Clement said paranormal activity was rampant in Wellington.

MONIQUE FORD/STUFF Jemaine Clement New Zealand comedian, actor and musician in Opera Lane, has seen some dodgy stuff.

"It's surprising how many demonic possessions there are," he said, straight-faced.

"There was a very tense situation at the Bucket Fountain – I can tell you it involved a possible Gateway from Hell. We're very concerned about this kind of stuff."

One or two werewolves pop-up from the original movie, as well as a vampire – understood to be Cori Gonzalez-Macuer's Nick – and they're causing "a lot of trouble".

SUPPLIED Wellington Paranormal follows officers Minogue and O'Leary.

The film crew has followed the "Wellington Paranormal Unit of the New Zealand Police" for about a month, with just a week left of filming, Clement said.

"We had an incident with some zombies which got pretty tense there. So luckily they're taken care of. A couple of crew members were turned into zombies – I think. It's hard to tell sometimes.

"Also, some very worrying things have happened in Lower Hutt as well. There was a party in Khandallah that got a bit out of hand, too, with some undead member of the Wellington public."

CAMERON BURNELL/FAIRFAX NZ Actor and comedian Cori Gonzalez-Macuer is understood to feature in the spin-off series.

That party was in an abandoned house in Woodmancote Rd, Khandallah. Locals have considered the five-bedroom, musty house to be haunted.

They made to sure to have the property blessed after hearing stories of an old lady called Mrs Pack, who was thought to inhabit the house.

Wellington's recent sunny weather has been a bonus for the mockumentary-makers as they follow the Police Paranormal Unit.

"It's good, it's been very sunny. That's good for following werewolves, because its hard to find werewolves when its cloudy," Clement revealed.

"Yeah, 'cause the moon doesn't come out. You want clear skies for finding werewolves.

The supermoon earlier this month was also very beneficial to the team. "That was a very intense night," Clement said.

Producer Paul Yates, the third member of the New Zealand Documentary Board (alongside Taika Waititi and Clement), said the series was similar to What We Do In The Shadows, but more documentary style.

"It's like Police Ten7 meets The X-Files," he said.

He said they were "taking the mickey out of" police television reality shows.

"There's one of those shows in every country in the world," he said.

Yates said Waititi was providing creative input into the script.

"He's been slightly busy with some hero movie," he said.

Waititi, still in the States, has been enjoying some R&R, before his "big year, next year", Yates said. He wouldn't elaborate on what Waititi was doing in 2018.

"He's got lots of stuff on," he said.

When asked whether Wellington Paranormal was different to the US version that Waititi had discussed previously, Clement said, "The American one is about vampires in America. Our one is about cops."

Wellington Paranormal is scheduled to air on TVNZ2 in mid-2018.