If anyone wants to see a whole bunch of drama/film scripts to see (maybe) how they should be written, the 99p Shop in Muswell Hill and possibly in other 99p shops as well has the set of scripts for "Buffy the Vampire Slayer" Season 2 volume 2, going cheap (at 99p of course). Six episodes.
It's ISBN 0-7434-2338-0 price used to be £10.99
These are in Production format with numbered scenes, but writers don't need to put scene numbers on a submission (spec) script.