While one cannot expect to substitute real training on dangerous devices with any other means, chainsaw training videos have their place.
They enlighten and prepare the future user (student) for the risks and hazards of using a chainsaw and felling a tree, and they make him aware of all the bad practices he might see around him, performed by people that are too smart to take an instruction class.
It so happened we stumbled on two such very good training films on chainsaw use and tree felling.
The Husqwarna USA training film
The British Columbia Faller Training Standard
Being full length films will keep you occupied for a while.
In between viewings you can enjoy this: