Harry's school photo.
Harry tries to figure out if he got the poisioned potion from Snape. Before Snape could make him take it, though, he had to go to champions things, leaving the potion of a Slythrin student. Harry later figured out that, yes, that was the poisioned potion.
Harry takes care of Hermione's cat, Crookshanks, for an hour while Hermione is looking up things in the library. Crookshanks was about as happy about this as Harry was.
Draco -once more- pisses off 'Mad-eye' Moody one too many times. This time in front of Hagrid's cottage.