Why do Christians believe what they do today? Where did current practices and institutions come from? How can we not repeat the mistakes of the past?
I am in a study group starting a short course on Early church history (up to about 600 AD), using a Moore College Correspondence course.
I thought this video was a nice introduction to the subject, both why the subject is important, and a few major events of the first century.
The second video in the series is here.