
Oak Tree: Nature's Greatest Survivor. In this landmark new BBC documentary, entomologist George McGavin takes us on a fascinating journey through a year in the life of a 400-year-old oak tree.
7.9
8.0
7.4
7.5
6.7
6.2
7.5
7.7
6.7
7.8
7.0
6.5
7.9
6.4
6.6
6.4
7.4
6.0