It's become fashionable for shows to hint at a follow-up feature film as they make their way off the air, from brilliant-but-cancelled series like
Arrested Development and
Veronica Mars to the somewhat less brilliant but much longer-lived
Entourage. Sometimes, those plans really do come to fruition, as with
Serenity (based on
Firefly) and
Sex and the City. But more often, nothing comes to pass - have you seen trailers for ...