Stargate SG-1, Season 8

Col. O'Neill:
Sweet. What is it?

Dr. Jackson:
We don't know, you made it.

Col. O'Neill:
No.

Dr. Jackson:
Yes.

Col. O'Neill:
No.

Dr. Jackson:
Yes.

Col. O'Neill:
No.

Dr. Jackson:
Yes.

Thor:
You accessed the Ancient knowledge in your mind and instructed the ship's computer to design it.

Col. O'Neill:
Doesn't mean I know what it is.

Dr. Jackson:
You have to try, Jack.

[O'Neill looks uncertain, then approaches the weapon. He looks at it from several angles, then pokes at it uncertainly.]

Col. O'Neill:
[After a moment, as though comprehension has struck him] Ah!

[O'Neill turns to the others]

Col. O'Neill:
Yeah, I got nothin'.