Joanna Lumley asks 'do cats take orders'? Most think cats are far too independent to be trained but the owner of a Chicago circus act says otherwise. Cats can also help those in need, as with children with severe disabilities. But what price have cats paid in becoming the world's favorite pet? There are 100 different breeds of cat but experiments in cat genetics are producing new species such as the munchkin, a cat with short legs. In Los Angeles you can lavish riches on your cat and you will find a 5 star cat hotel, luxury cat grooming and soft paws to cover their claws. There are also those who try to keep big cats as pets. Actress Tippi Hedren runs a rescue center where she cares for 83 big cats that have been abandoned by their owners. In London, Joanna visits a rescue center and a home where 21 cats live in a tiny flat. She then travels to Namibia where she has an up close encounter with cheetahs.