Secrets Of The Zoo: Columbus

Penguin's New Do: A penguin that's had a year's worth of bad hair days gets a much-needed new look. The team calls in a human heart expert in the hope of saving chimp Lady. (S2, ep 2)

Welcome to the Family: Staff get ready to take in an orphaned baby gorilla. Pregnant giraffe Lulu has keepers on the edge of their seats and flamingo Annyung loses her squawk. (S2, ep 3)

The Hissing Lynx: Two baby white rhinos join the herd at The Wilds, a pair of red pandas have a blind date in a tree, and a super-cute tortoise baffles its doctors. (S3, ep 7) 7+