I created a playlist about Who was the Historical Jesus. Clips from Bart Ehrman. Really interesting points!
For example, did you know Satan is never mentioned in the Old Testament? Neither is the idea of Heaven and Hell. These all came about during Jewish Apocalyptic Thinking (New Testament).
Video 1: Did Jesus Call himself God
Video 4: Did Jesus think He is the Messiah?
Video 5: Problems with Transmission in Oral Cultures – this one is particular relevant to hadith as well.