Marge: Bye-bye, Leon. Lisa: You're a credit to dementia!

Related:

• Marge: And remember, every morning give one bowl of Kibble to Santa's Little Helper.
  Do you want me to write any of this down? Abe: No...
• Bart & Lisa: Bye Mom! Bye Dad! Homer: Bye Kids!
  On your way back, pick up a six-pack of beer. --...
• Bart: Hey, Mom! Dad's in a mental institution! Marge:
  Oh, my God... Mother was right! -- "Stark Raving...
• Marge: With Bart gone and now you with your father,
  I'm not going to have anyone to -- Lisa: [75...
• Marge: Bart, I asked you to watch your sister [Maggie].
  Bart: I tried to stop her, but she overpowered me...
• Joe's Crematorium. You kill 'em, we grill 'em. -
  Bart answers the phone, "Stark Raving...
• Joe's Taxidermy. You snuff 'em, we stuff 'em. --
  Bart answers the phone, "Stark Raving...
• Lisa: [wakes up Bart] Bart: Lisa! It's 6am! Something's wrong.
  Dad died! Lisa: No no, he's fine! Bart: Well, whaddya...
• Lisa: Bart, in the split second before he died, I bet Scratchy appreciated his birthday present.
  Do you see how this relates to us? Bart: Hey, you want...