Screencast: A step by step intro to MongoDB
A step by step MongoDB intro screencast from Michael Dirolf (@mdirolf). While nothing new, if you haven’t played yet with MongoDB, this 36 minute video (requires Silverlight) will give you a good feeling of how to start using it.

Once you are done, you can move to the next set of tutorials: Introduction to MongoDB and MongoMapper and MongoDB and Mongoid
via: http://perseus.franklins.net/dnrtvplayer/player.aspx?ShowNum=0163