1x07: Human
1x06: Extremes
1x05: Forests
1x04: Freshwater
1x02: Ocean
1x01: Coasts
S01 Special: Making Planet Earth III
S01 Special: A World of Wonder
S01 Special: Making of 'Planet Earth II'
1x01: Islands
1x03: Jungles
1x02: Mountains
1x04: Deserts
1x05: Grasslands
1x06: Cities
S01 Special: The Making of the Series
1x03: Fresh Water
1x04: Caves
1x02: Mountains
1x05: Deserts
1x06: Ice Worlds
