Thanks to Terrierman for posting these links:
UPDATE: Unfortunately, the "Pedigree Dogs Exposed" videos have been taken down from YouTube. You can see short promotional snippets of the program at the BBC website here and here. If anyone knows of another link to the entire program, please leave it in the comments.
The BBC program Pedigree Dogs Exposed is available for viewing on YouTube (in 6 parts):
I love my mutts.