Unfortunatley this will probably only apply to French learners living in Canada. But I have found that Columbo (dubbed in French) is VERY easy to follow.
Watch the French channel *prise2 on Shaw cable.
If you can find any other dubbed tv shows let me know!
My husband who is bi-lingual thinks that they have had to slow the speech down to match the mouth movements of the actors, thus making it easier to follow.
Let me know what you think!