So, first you got to turn the little sunspot mortal.

8 seconds sound clip from the Hercules movie soundboard.

You can hear this line at 00:10:42 in the Blu-ray version of the movie.

Quote context

[...]

- Got a little riddle for ya.

- How do you kill a god?

- I do not know!

- You can't.

- They're immortal?- Bingo! They're immortal.

- So, first you got to turn the little sunspot mortal.

- What? What is it?

- The baby!

- Hercules!

- No!

[...]