Mm. Mom was right. I should have been a dental hygienist.
4 seconds sound clip from Darkwing Duck - Darkly Dawns the Duck: Part 2 (S01E01).
You can hear this line at 00:20:18.301 in the DVD version of the TV Series.
Quote context
[...]
- What's happening? Do you know what's happening?
- Grab on to something! Not me, you lunkheads!
- All right! Payback time, Launchpad.
- It's over, Taurus Bulba, and this time you'll be in a non-portable prison.
- Mm. Mom was right. I should have been a dental hygienist.
- I think this is where the hero makes his dramatic exit.
- I underestimated you once, Darkwing Duck.
[...]