Related:

• Kang: Silence! We are travellers from a certain nearby ringed planet whose name we'd prefer not to mention.
  My name is Kang, and this is my sister Kodos....
• Kodos: Here comes something! Kang: Remember the story
  we're newlyweds on our way to Earth Capital. [the donut rolls by as Kang smiles] Oh, Shazbot....
• Kodos: What? Are you still here? I'm afraid we'll have to dispose of you.
  .. [pushes a button] [out of somewhere comes a cannon, which reveals a smaller cannon, which reveals an even smaller one, from which emerges a tube, spraying Homer] Home...
• Homer: I suppose you want to probe me. Well, you might as well get it over with.
  Kang: Stop! We have reached the limits of what rectal probing can teach us....
• Homer: America, take a good look at your beloved candidates.
  They're nothing but hideous space reptiles....
• Kang: Foolish earthling...totally unprepared for the effects of time travel.
  [aliens laugh, then change into Sherman and Mr....
• Kang: The politics of failure have failed. We need to make them work again.
  Tomorrow, when you are sealed in the voting cubicle, vote for me, Senator Ka....
• George: Uh, Mr. President, Sir. People are becoming a bit.
  .. confused by the way your and your opponent are, well, constantly holding hands....
• Homer: [gulps] I suppose you want to probe me. Well, might as well get it over with.
  [unzips his pants] Kang: [disgusted] Stop! We have reached the limits of what rectal probing can teach us....