1. Volcano Worlds

Professor Brian Cox explores planets and moons covered in volcanoes. He encounters alien landscapes bursting with fire and ice - eruptions so violent they reach into space.

3. Storm Worlds

Professor Brian Cox explores the solar system's wildest weather, encountering powerful lightning, strange metallic frosts and monsoon rains on a moon a billion kilometres from Earth.

4. Ice Worlds

Professor Brian Cox explores the solar system's ice giants, frozen moons and worlds where ice behaves in unimaginable ways.

5. Strange Worlds

Professor Brian Cox explores the solar system's misfits and oddballs and investigates the forces that sculpted the bizarre features on these strange worlds.