Charlie we need to operate on you for the experiment. The experiment will make you smarter.
Miss Kinnian chooses Charlie for a intelligence expirement.
Dr Strauss tells Charlie they'll do a operation on him.
After the operation Charlie finally beat Algernon in the maze.
Charlie was at a party with Joe and Frank humiliated him and it made him realized they're not good friends.
Charlie became more intelligent, and Charlie and Miss Kinnian had talked about how smart he's becoming. She is worried he will forget her. Recently Algernon died and Charlie made a grave for him and put flowers on it.
When Charlie went to work his boss said he is getting fired because the other workers did a pitition to fire him, soon charlies intelligence decreased and decided to leave to new york.