It's Valentine's Day, and love is in the air at the zoo, with the brothers hoping romance will blossom between some of the animals. 

Cam is on a mission to find his secret admirer at the zoo, while Aaron serenades lar gibbons Shany and Raff with some special Valentine's vocals. Two-toed sloth Mr Jingles gets his long claws cut to make cuddles with girlfriend Dame a bit safer. Meanwhile, emotions run high as the brothers say a heartfelt goodbye to Khumbu the snow leopard, who is leaving the zoo to look for love. 
 

The brothers celebrate some of the zoo's legends and hold a special birthday party for their oldest animal, Newt the gibbon. And Cam builds some new ramps for arthritic meerkat Freya.