
Episode 1
Our Active World
Kate Humble and Professor Iain Stewart present live from Kilauea on Hawaii, the world's most active volcano. They broadcast from the edge of the summit crater.

TV series
Find out about the awesome power of volcanoes in some of the most geologically active places on Earth.
See where to watchStreaming, rental and purchase options
Checked Jul 22, 2026
Find out about the awesome power of volcanoes in some of the most geologically active places on Earth.
Watch options above are for the show and may vary by season or episode.

Episode 1
Kate Humble and Professor Iain Stewart present live from Kilauea on Hawaii, the world's most active volcano. They broadcast from the edge of the summit crater.

Episode 2
Kate Humble and Professor Iain Stewart present live from Kilauea on Hawaii. They broadcast from the site of the 1969 Mauna Ulu eruption.

Episode 3
Kate Humble and Professor Iain Stewart present live from Kilauea on Hawaii. They explore how our active planet triggers eruptions, earthquakes and tsunamis.

Episode 4
Kate Humble and Professor Iain Stewart present live from Kilauea on Hawaii. Broadcasting from the summit crater, they look to the future of volcanic forecasting.
Episode information updated Jul 22, 2026
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