Narrator: But as the citizens of Springfield continued to abuse the environment...

Homer: (resigned) I guess I'm a hero.

Here is the full text of the script for "The Simpsons Movie":

(As they journey to the dome, they encounter various obstacles, including a group of hippies and a abandoned amusement park)

Homer: (excitedly) That's the ticket!

(The movie ends with a shot of the Simpsons laughing and embracing)

Bart: (laughing) You're going down, Lisa!

(Just then, Homer and Marge walk out into the backyard)