From: OFF Fan 

On Tuesday, 05 Jan 2010 19:09:00 -500, "Mike Powell"
 wrote:

> Homer{at}NOSPAMFatHounds.com, wrote:
> 
>> I remember pretty clearly it has always been on Sunday. I remember
>> getting together with friends to watch on Sunday nights.
> 
>As someone pointed out, it may have really started on Sundays, but it ran
>on Thursdays during the First Season, and for many, many seasons after.
> 
>I remember getting together on a Thursday night with some friends from
>college, including a French exchange student, to watch "Crepes of
Wrath."
>I also remember rushing home from a night class to watch a new episode only
>to find that my VCR had failed to record it.  Happened more than once, and
>really stuck in my craw!
> 
>To be honest, we could have watched "Crepes..." on a
different weeknight,
>but it certainly wasn't a Friday, Saturday, or Sunday.  The VCR mishaps were
>on Thursdays for sure as that is the day of the week I had a night class.
> 
>I can't remember when they moved to Sundays.  It has been many, many
>seasons on Sundays, too, no doubt!  I am wondering if NBC's "Must See
>Thursday" lineup of the mid-1990's isn't what moved it to Sundays.
> 
>I am actually guessing they picked Thursdays because it is the day of the
>week that sounds the most like Tuesday.  ;-)

http://www.people.com/people/archive/article/0,,20114134,00.html

I like this part:

"This season Bart moved to Thursdays and went eyeball-to-eyeball with
that paragon of goodness Bill Cosby. The Simpsons have been losing
that ratings battle."

I wonder how that Cosby battle turned out.;-)

--- Internet Rex 2.29