U&Eden +1 Thursday

The naturalist remembers his encounter with mountain gorillas in Rwanda, recalling how the sequences for the programme Life on Earth were filmed

Work is under way on three new paradise islands that will house more than 100 chimpanzees, while at the sanctuary the baby group attend forest school

Dr Rebeca Atencia sets out to rescue an illegally kept pet mandrill, but encounters resistance from angry villagers

Everybody is delighted when Wounda the chimp gives birth to a healthy male that the staff name Hope

Contestants try to score the fewest points possible by giving the least obvious correct answers to questions. Presented by Alexander Armstrong, with Richard Osman

Quiz in which contestants try to score the fewest points possible by giving the least obvious correct answers to questions. Presented by Alexander Armstrong, with Richard Osman

David Attenborough explores animals that have developed tool-making skills to help them survive, including orangutans and crows