I don't know

Mr. Schidtler: Does anybody here have any idea why "Inestine" was regarded as a great scientist? Kevin? Kevin: Oh, uh, I don't know.

Maybe you could, I don't know, directly talk to her about it instead of complaining to me for once?

The audacity of that lad... I don't know.

I don't know why Blip just shuts off the power and then blames it on the weather.