Charlotte Uhlenbroek hosts this week's edition from Gombe National Park, Tanzania, looking at how female scientists have studied primates in the wild.
Series editor Sara Ford
WEBSITE: www.bbc.co.uk/animalzone
5.15* Watch Out Britain
Nick Baker and Bobbie Fletcher offer tips on seeing birds arriving to winter on British estuaries.
Producer Mike Beynon
5.25* Big Cat Diary
The latest update from Kenya's Masai Mara finds the cheetah cubs still biting off more than they can chew.
Producer Stephen Moss; Series producer Robin Hellier
5.55* The Natural World: Orang-utans: the High Society
Orang-utans are among our closest relatives, but until recently little was known about this intelligent but solitary species. Concentrating on their life in the forests of Sumatra, this film lifts the veil on Asia's red ape. Narrated by Andrew Sachs.
Producer Mark Linfield; Series editor Neil Nightingale
Code for 5.10-6.45 (not PDC).