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.

2. Dark Worlds

Professor Brian Cox explores the solar system's hidden realms, between and beyond the planets, where countless worlds lie hiding in the darkness.

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.