Avoid shady torrents. Buy the DVD box set (often $9–15 used on eBay) and rip it yourself using HandBrake. Or, subscribe to a service that offers SD downloads. This gives you a safe, legal, and permanent 480p copy of one of the greatest action-dramas ever made.
Spartacus is a show driven by raw emotion, not sweeping panoramic landscapes. The blood, the sweat, and Andy Whitfield’s legendary performance as the titular Thracian translate perfectly well in 480p. You lose the fine texture of Roman armor, but you gain the ability to carry the entire First Season on a cheap USB stick or an old iPad. Spartacus Season 1-- Download In 480p