Jeapordy is like the ONLY game show where they actively seek intelligent participants. Most other game shows actively seek morons. I think it is done so the average viewer can feel superior...
No sh|t - I saw this one on Wheel of Fortune (I would make at least 50k on this show barring any bad run of luck on the Wheel) a few years back - keep in mind this was only a year or so after the movie hit theatres:
Category: ACTOR & ROLE
Puzzle:
TO_ HANKS AS F_RREST _U_P
Contestant's guess: Tom Hanks as Forrest Mump - I sh|t you not...
Also saw one with twins where the puzzle was a PHRASE and it was:
DOUBLE DOUBLE YOUR REFRESHMENT
and the stupid girl read it as: Double your refreshment (forgot the first Double) and lost...