The safest legit place to watch In Your Radiant Season Episode 1 with English subtitles is Disney+ / JioHotstar , and a streaming listing says there are no free streaming options right now.

What I found

  • The episode is listed on JioHotstar with a story summary for Episode 1.
  • A streaming guide says the series is available on Disney Plus and that there are no free options currently.
  • Some unofficial sites claim free English-subbed episode uploads, but those are not reliable legal sources.

Best option

  • Watch officially on Disney+/JioHotstar if it’s available in your region.
  • If you want free access, check whether your region offers a trial, bundle, or promotional period through the official service rather than using unofficial mirrors.

Quick note

  • Some pages show the episode as blocked in certain areas , which means availability can depend on your country.

TL;DR: Officially, the series appears on Disney+/JioHotstar, and current listings say there isn’t a free legal stream for Episode 1 right now.