The Voluntary Life Podcast has a three episode series titled "How to Think for Yourself":
Part 1 is concerned with why methods of reason are important to rational creatures and begins to address the difficulties in establishing a method of reason.
Part 2 is concerned with a brief overview of the scientific method, philosophy of science, and their relationship to epistemology. Most important, it explains the requirements for epistemic confidence.
Part 3 is concerned with a priori reasoning and the relationship between reason and freedom.