If you are looking for the series in India, here are the legitimate ways to watch it: Legal Streaming Options
That being said, if you're still looking to download the Tamil dubbed version of "Spartacus" from Isaimini, here's what you can try:
If you are looking for the series in India, here are the legitimate ways to watch it: Legal Streaming Options
That being said, if you're still looking to download the Tamil dubbed version of "Spartacus" from Isaimini, here's what you can try: Spartacus Tamil Dubbed Web Series Download In Isaimini