GM
Filmography
| 2021 | The Secret Science of Sewage · as Self - Presenter |
| 2015 | Oak Tree: Nature's Greatest Survivor · as Himself - Presenter |
| 2014 | Monkey Planet (TV Series) · as Himself - Narrator |
| 2014 | Dissected (TV Series) · as Himself - Presenter |
| 2013 | Planet Ant: Life Inside the Colony · as Himself |
| 2012 | Prehistoric Autopsy (TV Series) · as Himself - Presenter |
| 2012 | The Dark: Nature's Nighttime World (TV Series) · as Self - Presenter |
| 2011 | After Life: The Strange Science of Decay · as Himself |
| 2010 | Lost Land of the Tiger (TV Series) · as Self - Presenter |
| 2009 | Lost Land of the Volcano (TV Series) · as Self - Presenter |
| 2008 | Lost Land of the Jaguar (TV Series) · as Self - Presenter |
| 2007 | Expedition Borneo (TV Series) · as Self - Presenter |
| 2006 | The ONE Show (TV Series) · as Self |
| 2000 | BBC Breakfast (TV Series) · as Self - Zoologist And Tv Presenter |
| 1994 | Ready Steady Cook (TV Series) · as Self - Guest |
| 1983 | Natural World (TV Series) · as Self |
| 1964 | Horizon (TV Series) · as Self - Presenter |