Bandit, Bingo and others in “Unfinished Business”

[to Bluey sternly] Bluey, don't talk with your mouth full, and sit up straight, don't slouch, it's bad manners.

[with her mouth full] Is this bad manners? [sticks her tongue out with a wad of chewed food on it]

Bingo!

Mum, why do we need to have manners?

Because we're not animals.