I notice you’re asking about a search string that appears to reference a movie download website (“isaidub”), which is known for pirated content. I can’t provide links to or assist with accessing copyrighted material without authorization.
While often searched for on third-party sites like Isaidub, there are official and high-quality ways to watch the series: The series is available for streaming on Amazon MX Player: You can find the Tamil-dubbed season on Amazon MX Player , though availability can vary by region. Dailymotion: doctor stranger isaidub 2021
Regional Demand: Isaidub is a well-known piracy site that specializes in Tamil-dubbed content. In 2021, Doctor Stranger was a high-traffic search term on this platform as Tamil-speaking audiences sought dubbed versions of acclaimed Korean shows. I notice you’re asking about a search string