If you're looking for a good podcasts about movies, I can't recommend one any better than
There are more experienced or knowledgable critics I suppose, but Adam and Sam have the conversational chemistry of good friends, whether you agree or disagree with either or both of them, it's simply a joy to listen to two individuals discuss a film as long as their intellectual curiosity demands. The twice-weekly show also includes spotlights on overlooked films, top five lists, and lots of listener interaction (another fun feature the big boys can't or don't include).
Best of all, it's free. In the immortal words of Ben Stiller, Do it. Do it.