22 Short Films About Springfield - S7-E21
Principal Skinner: Well, that was wonderful. A good time was had by all. I'm pooped.
Superintendent Chalmers: Yes, I should be — Good lord, what is happening in there?
Principal Skinner: Aurora Borealis?
Superintendent Chalmers: Aurora Borealis? At this time of year? At this time of day? In this part of the country? Localized entirely within your kitchen?
Principal Skinner: Yes.
Superintendent Chalmers: May I see it?
Principal Skinner: No.
Agnes Skinner: Seymour! The house is on fire!
Principal Skinner: No, Mother, it's just the Northern Lights.
Answer: I'm not sure if this is the one you're thinking of, but an episode of "Ray Bradbury Theatre," called "A Sound of Thunder," dealt with a similar matter: a group of hunters travel back in time to hunt dinosaurs, only to find things have changed when they get back because someone stepped on a butterfly.
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