"holy smoke I reely pulled a Charlie Gordon that time".
Charlie yelling at the diner patrons who make fun of the boy dropping dishes. Even more so in the original short story, since there, it's a major turning point.
Charlie letting Algernon out of his cage in the middle of a conference, just to put one over on the scientists who laughed at him. Then he sneaks Algernon out of the building in his pocket, and they escape together.
Charlie's old "friends" from the bakery threatening to beat up a new guy who mocks him, showing that they've finally seen the light.