Inside Taronga Zoo Season 4: Episode Guide & Ratings

In one of the biggest vet procedures ever performed at Taronga Zoo nearly 30 staff and specialists are involved in the risky sedation of their 5 1/2 metre tall giraffe Jimiyu.

Lwasi the male lion has left brother Ato, lioness Maya and their 5 cubs behind at Taronga Sydney and moved to Western Plains Zoo to start a family of his own.

Hala is finding it increasingly hard to get up in the morning, so time for a health check to find out what's going on.

He may live on an idyllic island habitat, but life isn't always easy for Vampeer the lone male squirrel monkey. Outside of breeding season the females often attack him, so the keepers have devised a cunning escape plan to his own bachelor pad.

A mystery lump on Ras the camel's ear has everyone stumped, so its time to investigate. But sedating a camel weighing half a tonne is not the simplest procedure to undertake.

Masego the wild dog needs surgery on a worrying lump on her chest. Her keepers worried about what the vets may find, but also whether the pack will reject Masego when she returns

It's an emotional farewell as the Taronga marine keepers wave goodbye to 5-year-old Australian Sea Lion, 'Moby'.