Four of your very own archenemies have joined forces, an unusual phenomenon, indeed.

6 seconds sound clip from Darkwing Duck - Just Us Justice Ducks Part1 (S1E20).

You can hear this line at 00:11:39.098 in the DVD version of the TV Series.

Quote context

[...]

- And that job belongs to me, NegaDuck.

- Is it NegaDuck, or is it Darkwing Duck? SHUSH won't be able to tell the difference.

- But what do you do if Darkwing Duck shows up?

- Something like that, but worse.

- Frankly, Darkwing Duck, I'm concerned.

- We have top-secret weapons here at SHUSH, and if they should fall into the wrong hands, oh, boy.

- Four of your very own archenemies have joined forces, an unusual phenomenon, indeed.

- 4, 8, 326. Hah! Numbers don't scare me.

- Once I catch up to those confounded criminals, their conniving conspiracy will be kaput.

- But, DW, you were there when they did that thing with the beanstalk and the power company, too.

- I know that. He doesn't have to.

[...]