Of the top of my head, I think that it goes w/o saying that you can't
do a discussion regarding the all time "weird" seasons for sitcoms w/o
talking about the last season of Roseanne, when the Connors won the
lottery.
> I also heard that the ninth/final season of How I Met Your Mother will
> take place over a single weekend (in essence, it seems to be aiming to
> be a sitcom version of 24):
Similarly, ABC has a new sitcom titled 'MIXOLOGY' that consists of an entire
season that covers one night of activity at a bar.