This is about 11 hours of Harvard lectures concerning ethics. Each episode is about 55 minutes and has two lectures. You should watch them in order.  Here is the Harvard site for the course.

01 The Moral Side of Murder / The Case for Cannibalism
02 Putting a Price Tag on Life / How to Measure Pleasure
03 Free to Choose / Who Owns Me?
04 This Land is my Land / Consenting Adults
05 Hired Guns? / For Sale: Motherhood
06 Mind Your Motive / The Supreme Principle of Morality
07 A Lesson in Lying / A Deal is a Deal
08 What’s a Fair Start? / What Do We Deserve?
09 Arguing Affirmative Action / What’s the Purpose?
10 The Good Citizen / Freedom vs. Fit
11 The Claims of Community / Where Our Loyalty Lies”
12 Debating Same-sex Marriage / The Good Life