Douglas Crockford ‘s Javascript Video Collection : The Complete Series

Douglas Crockford is an American computer programmer and entrepreneur who is best known for his ongoing involvement in the development of the JavaScript language, for having popularized the data format JSON (JavaScript Object Notation), and for developing various JavaScript related tools such as JSLint and JSMin.

Chapter 1: The Early Years

Chapter 2: And Then There Was JavaScript

Chapter 3: Function the Ultimate

Chapter 4: The Metamorphosis of Ajax

Chapter 5: The End of All Things

Further Reading :
15 Essential JavaScript Video Tutorials
http://yuiblog.com/crockford/