Roger Shepherd is taking the first group of foreigners to Mount Paektu, a large volcano near the border with China.
The OKC Thunder NBA star said his "fingers are nervous as" when asked to play the guitar.
Anne Hegerty is visiting New Zealand and found some time for a quiz battle with the Seven Sharp host.
Storms with winds gusting up to 100km/h are expected in Taranaki, where a tornado struck yesterday.
More than 41,000 measles cases were reported in the region during the first half of the year - more than in all 12-month periods so far this decade
However, asked about the thorny issue of the deportation of Kiwis from New Zealand on character grounds, Mr Peters wasn't backing down.
A subsequent tornado struck the Whakatane suburb, just after 5.30pm, tearing roofs off homes and downing powerlines.