For the past four weeks, they have been filming in New Zealand, and spent Thursday and yesterday shooting footage in Rotorua and Taupo.
Mr Clifford said New Zealand had been amazing.
"The nature, the scenery, the warmth of the people, it's just incredible. We have been spoilt with the weather, we weren't expecting that at this time of year to have sunshine all day every day.
"Four weeks is definitely not enough.
"Rotorua is amazing, it's been chock-a-block. Between a Maori healer we met at Te Puia and the living village in Taupo, we have got an amazing episode on this area. We obviously would like to stay here for a lot longer ... but we do what we can."
Enya said she thought New Zealand was "really good".
"I like the countryside. [I like] the mountains and the colours of the trees."
She said she enjoyed having a hangi for dinner in Taupo and the hot springs throughout Rotorua were cool. Enya said she liked being on camera because it was fun.
Mr Clifford said Enya had been riding a scooter since she was able to walk and she could speak French, English and German.
"She understands the film-making practice and sometimes she comes up with her own ideas of what we should do. She's very creative, and we end up saying 'we never thought of that'.
"It's important that we get her point of view, it's the world through her eyes."
He said "scooting" was a great way to get around and it acted as an ice-breaker in many cultures.
"We will probably end up with 60 10-minute episodes from all over the world ... we are going to have a lot of editing to do when we get home in August," Mr Clifford said.
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