Over the years, some of Chester’s more wily residents have proven themselves to be expert escapologists. When the Sumatran orangutans are moved to a new home, keepers discover on CCTV that four of the troupe have gone missing. Rare blue-throated macaws Lady and Girlie are from a highly intelligent species – thought to be as smart as five-year-old humans. But all goes awry in the aviary when Girlie turns escapoogist and leaves her sister behind. Andean bear Lima is the mother of three-month-old cub Madidi. When Lima’s back is turned, Madidi embarks on the adventure of a lifetime and escapes into the paddock next door.
The Secret Life of The Zoo – Wednesday 8pm on Channel 4