use a program called handbrake(just google it and youll fins it the icon is a cocktail glass)
once you download the program. Inset your cd into the cd thinger. open handbrake. go under where it says title, now you will need to know the length of the bonus feature and find under the list the time of the bonus feature you want, it wont say the actual name of the feature just the time which is why you need to know it. then it start and it will download in quicktime form, i have a mac so not sure if itll work on windows or not. any questions pm me