This video is age-restricted. Therefore, you are unable to retrieve transcripts for it without authenticating yourself.
The library adds that cookie authentication is temporarily unsupported.
Raised by youtube-transcript-api (1.2.4 read) as AgeRestricted, a subclass of CouldNotRetrieveTranscript.
Status: Reproduced on 2026-10-17 (latest attempt 2026-10-26 was blocked)
YouTube only serves this video to signed-in users, so an anonymous request gets no caption data.
YouTube's playability status is LOGIN_REQUIRED and the reason is This video may be inappropriate for some users. (read from the library source)
Video ID: R8t0blHwhIQ
from youtube_transcript_api import YouTubeTranscriptApi
YouTubeTranscriptApi().fetch("R8t0blHwhIQ")- Check whether another tool can use your own signed-in browser session. yt-dlp documents
--cookies-from-browser; use only an account you are allowed to use, since automated use of an account can be restricted by YouTube. - Otherwise there is no anonymous route to that video's captions.
| Tool | What it prints | Observed |
|---|---|---|
| yt-dlp | ERROR: [youtube] R8t0blHwhIQ: Sign in to confirm your age. Use --cookies-from-browser or --cookies for the authentication. |
2026-10-17, home network, India |
| Date | Environment | Library | Result | What was observed |
|---|---|---|---|---|
| 2026-10-26 | GitHub Actions runner (ubuntu-latest, hosted cloud IP) | 1.2.4 | Inconclusive (network blocked) | not attempted, RequestBlocked was raised earlier in this run |
| 2026-10-19 | GitHub Actions runner (ubuntu-latest, hosted cloud IP) | 1.2.4 | Inconclusive (network blocked) | not attempted, RequestBlocked was raised earlier in this run |
| 2026-10-17 | GitHub Actions runner (ubuntu-latest, hosted cloud IP) | 1.2.4 | Inconclusive (network blocked) | not attempted, RequestBlocked was raised earlier in this run |
| 2026-10-17 | home network, India (residential) | 1.2.4 | Reproduced | AgeRestricted raised |
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