Watch the trailer here
From Trailers From Hell. You can play with or without commentary by John Landis, aka Raymond Burr. I recommend both:
http://www.trailersfromhell.com/trailers/870
How can it be before Christ if it is in the time of Nero? According to early Christians Nero was 666, The Beast, the Antichrist.
He reigned from 54 Ad to 68 AD.