4.0王储的抉择：幕后花絮/

5.0 赤手登峰(港)/National Geographic: Free Solo/

10.0未知

4.0 The Bridge/

1.0 DOA – A Right of Passage/

6.0 The Elephant Whisperers/

8.0 Natural Disasters: Forces of Nature/

5.0 大卫·爱登堡/格蕾塔·通贝里/Michael E. Mann/James Hansen/Sunita Narain/Mark Maslin/Andrew Shepherd/Peter Stott/Richard Black/Richard Lazarus/Catherine Mitchell/Naomi Oreskes/Tim Lenton/Colette Pichon Battle/Sarabpal Bhatia/

2.0未知

2.0 Ask the Doctor/