Hello all i have decided that for the 100% aspect i will do this
Season 1 - The Sorcerer's Stone (6 episodes)
Season 2 - The Chamber of Secrets (6 episodes)
Season 3 - The Prisoner of Azkaban (6 episodes)
Season 4 - The Goblet of Fire (6 episodes)
Special 1 - Years 1-4 100% (? episodes)
Season 5 - The Order of the Phoenix (6 episodes)
Season 6 - The Half-Blood Prince (6 episodes)
Season 7 - The Deathly Hallows, Part 1 (6 episodes)
Season 8 - The Deathly Hallows, Part 2 (6 episodes)
Special 2 - Years 5-7 100% (? episodes)