Unfortunately, official Hindi dubs for Spartacus are rare. Most "Hindi dubbed" versions online are fan-made or AI-generated with poor sync. Your best bets:
As a Starz original production, the entire collection is permanently hosted on the and the Starz Amazon Channels add-on . Subscribing gives you access to pristine 4K/HD streams, original English audio, and alternative language dubs/subtitles depending on your region. Premium Video-on-Demand (VOD) spartacus all season dual audio download free
If you want to own the digital files legally for offline viewing, you can purchase individual seasons or the complete series bundle on: Apple TV / iTunes Google Play Movies Fandango at Home (Vudu) Unfortunately, official Hindi dubs for Spartacus are rare