packed feel to  it. With exactly one weekend to write a new pilot, executive  producers Joss Whedon (qv) and Tim Minear (qv) wrote "The Train  Job", which did appear as the first episode of the show. A slightly  retooled version of "Serenity" was later showed as an origins  episode after _"Firefly" (2002/I)_ (qv) had been canceled.