Riria Hotere explores an inlet once thought cursed, Geologist Hamish Campbell visits Coal Island, and Neil has a look at the history of crayfish fishing in the region.

Neil experiences his first live volcano; Hamish Campbell takes a look at a unique study; Matt Carter explores some history at Mahia Peninsula; Riria Hotere finds out what makes a jar of honey worth $150.

Neil explores an ancient ship that is connected to New Zealand's colonial past; Matt goes in search of the wreck of Soviet ocean liner MS Mikhail Lermontov.

Neil explores the site of Auckland's biggest volcanic eruption, while Hamish investigates an intriguing engineering mystery.

Hamish explores how climate change is causing New Zealand's heritage to fall into the ocean; Riria goes diving to search for a unique recycling project.

Riria investigates the truth behind New Zealand's legendary musket wars; Neil explores a mansion that has a unique feature.