I liked Firefly, until I realized that ALL of the planets they visited are apparently in a single solar system.
Bit crowded, no?
Not to mention a few MAJOR issues with astrophysics that go way beyond legitimate "suspension of disbelief."
Oh good grief. Any entertaining show has a certain suspension of disbelief. The point here is that it was a great show with great writing and there are a significant amount of fans out there who really miss it.