Ben Fogle and Kate Humble explore life behind the scenes at Longleat Estate and Safari Park; two lion cubs get their first injections, and Marmite the marmoset becomes a handful.

Chandi the white tigress faces an emergency operation, Jemima the giraffe's first birth does not go smoothly, and down in monkey jungle the troops' table manners need improving.

Ben Fogle and Kate Humble explore life behind the scenes at Longleat Estate and Safari Park; it's round two for the lion cub inoculations and this time the cubs know what's coming; Molly the iguana needs life-saving surgery.

Ben Fogle and Kate Humble explore life behind the scenes at Longleat Estate and Safari Park; Evelyn the baby giraffe is fighting for her life; Mike and Michelle the marmosets become proud parents; Ben and Kate clean out the tarantula and scorpions.

Ben Fogle and Kate Humble explore life behind the scenes at Longleat Estate and Safari Park; two tigers face life-threatening operations and a rare new species arrives.

Ben Fogle and Kate Humble explore life at Longleat Estate and Safari Park; mixing it up down at Meerkat Mountain -- the mongooses are going to meet the meerkats and it could go poorly.