CAN anyone tell me where online i can watch the video of Bill Cosby on "prejudice"?

ok so in my language arts cl we watched this video with bill cosby on prejudice and he is portraying a bigot and riffs on all different groups. it is were he is sitting on a stool, and smoking a cigarette...can anyone PLEASE tell me a link i can go on to watch the full thing? i would like to show it to my friend but i cant even find it on youtube. aNY Help WOULD be GREAT!! THANKs!