Pet the nice doggie, Henry.
2 seconds sound clip from Darkwing Duck - Toys Czar Us (S1E32).
You can hear this line at 00:06:56.399 in the DVD version of the TV Series.
Quote context
[...]
- Sorry, honey, Quackerjack's at the toy store again. Gotta run!
- Where are my toys? They're all gone!
- Excuse me, ma'am. Why not try a tasteful Quackerjack toy?
- Wait, wait! Some would say my toys are an acquired taste.
- Of course kids would learn to like my toys if their parents didn't interfere!
- All right, Quackerjack, playtime's over.
- Well, if it isn't Darkwing Dud.
[...]