SERIES PREMIERE: This isn’t a recommendation, necessarily, but the return of this reality-series improv-comedy hybrid certainly is worth noting. The original The Joe Schmo Show, also televised by Spike TV, was, like many cheaply made series in the reality-TV-obsessed world of 2003, a ripoff of such close-quarters competition shows as Survivor and Big Brother. The difference here was that everyone, save for one hapless contestant cast for his good nature and gullibility, was an actor playin