Grampa: Son, it's me! I floated up toward Heaven but got lost along
Homer: [gasps] Dad, is that really you?
Grampa: Darn tootin' you lousy creep! You buried me naked and sold
my suit to buy a ping-pong table. What kind of a son ...
[Grampa's tirade is interrupted when Homer pulls the plug]
Homer: [leaving] Call me when you get a karaoke machine.
[Moe plugs Grampa back in]
Grampa: That's the second time he's pulled the plug on me.
-- Homer's guest appearance on ... "The Simpsons Spinoff