Desc: Pedigree Dogs Exposed: Directed by Jemima Harrison. With Mark Evans, Clare Rusbridge, Jeff Sampson, Beverley Cuddy. Uncovering one of the biggest modern animal welfare scandals, decades of cross-breeding and rapid breeding for profit have not only led to birth defects and health problems in dogs; strong expert testimony warns that, without radical breeding reform, many of our beloved purebreds are at risk of extinction.