Every 5000 years.
4 seconds sound clip from the The Fifth Element movie soundboard.
You can hear this line at 00:04:01 in the Blu-ray version of the movie.
Quote context
[...]
- Evil comes spreading terror and chaos.
- See the snake, Billy? The ultimate evil. Make sure you get the snake.
- Yes, I've got your snakes. I got all the snakes.
- So when is this snake act supposed to occur?
- Huh? Well, if this is the five and this is the one...
- So I've got some time, then.
- Ah, you bring them water. Good boy. I will take it to them.
- Go with God. Be safe from evil.
[...]