When a pregnant mongrel has a caesarean delivery, the chances of the litter surviving are slim, so some of the puppies are offered to a cat which is suckling kittens. Plus tips from head vet Shaun on cat illnesses and an update on two German shepherd dogs training for military service.
Series producer Steve Sklair ; Executive producer Bob Long BBC BOOK: Battersea Dogs' Home. price £9.99, available from retailers