What were the stages at the trapdoor in Harry Potter and the Philosopher's Stone?

Answer 1

When Harry, Ron, and Hermione go through the trap door in the first book the order of the stages are:

1. Fluffy, the three-headed dog
2. Devil's Snare
3. Flying Keys
4. Chess
5. Troll
6. Potions Puzzle
7. Mirror of Erised

In the film adaptation, the troll and potions puzzle are omitted.

Answer 2

I am a big Harry Potter fan and the order of the obstacles under the trapdoor in harry potter and the sorcerers stone was The Devils Snare, the winged keys, the chess board then Professor Quirell:-)