• 1.1 Episode 1: Oceans - Into the Blue
• 1.2 Episode 2: Deserts - Life in the Furnace
• 1.3 Episode 3: Arctic - Life in the Deep Freeze
• 1.4 Episode 4: Jungles - People of the Trees
• 1.5 Episode 5: Mountains - Life in Thin Air
• 1.6 Episode 6: Grasslands - Roots of Power
• 1.7 Episode 7: Rivers - Friend and Foe
• 1.8 Episode 8: Cities - Surviving the Urban Jungle