Bart: And then, he claimed he was the one who turned cats and dogs
against each other. Why is he always making up those crazy
stories?
Homer: Maybe it's time we put Grampa in a home.
Lisa: You already put him in a home.
Bart: Maybe it's time we put him in one where he can't get out.
-- What about cryogenics?,
"The Curse of the Flying Hellfish"