Some animation and a background were changed in this cartoon
after the initial airing. In the original airing, the background
had a visual gag, and as a result of that gag being missing on
subsequent airings, a thread about The Jupitep Conspiracy
began on alt.tv.animaniacs. (I confess; I came up with the name.)
The scene is when Brain is about to meet his supporters for the
first (and last) time. The animated crowd in the balcony (foreground)
was changed, and the background shot of the people on the ground floor
was changed. On the ground floor were state banners. Among them, the
last one visible read "JUPITEP" (sic). In the changed version,
several of the banners were different, and the last one visible had become
simply "INDIANA".
I asked Peter Hastings about this when fans had confirmed
that a change had taken place, by checking their videotapes recorded
on different days. He said that while he didn't actually remember it
happening for this particular cartoon, it simply must have been a call
retake that had not arrived in time for the debut airing of the episode.
Why the intended Jupiter gag was taken out is anybody's guess at this
point.
David Green has supplied the following comparison pictures:
BEFORE
AFTER
The DVD release features the original version of this episode, with
the "BEFORE" version of the background image and foreground cels, and
differently lit photography.