Snape's Class: An extended version of Snape's potions class.On the train: Hagrid and Harry take the train to London, and Hagrid reveals his love for dragons.
The deleted scenes added back into the movie are: The 2009 Ultimate Edition DVD/Blu-ray release includes this cut as well. It was first shown on TV networks (ABC in the US, several international broadcasts had the same extended showing) in 2004. There is an extended cut of the film running about 159 minutes vs the theatrical version runs 152 minutes.