Marge: Mom's almost ready for her date. She sure seems taken by this new beau.

Marge: Mom's almost ready for her date. She sure seems taken by this
new beau. I feel so bad for Grampa.
Homer: Dad says this new guy's a repulsive, obnoxious old billionaire.
So let's all be extra-nice to him.
[doorbell rings; Homer answers it]
[Marge and Homer scream]
Burns: Hello! Why it's -- it's, er -- oh, it's er -- [goes back,
whispers to Smithers. Smithers whispers back and chuckles]
Why, it's Fred Flintstone and his lovely wife Wilma! Oh, and
this must be little Pebbles. [pats Maggie] Mind if I come in?
I've brought chocolates.
Homer: [grabbing them] Yabba dabba doo!
-- The modern stone-age family, "Lady Bouvier's Lover"