: Likely refers to a specific release group or "LEGENDARY" encoding tag. Potential Issues

: Often used to confirm a user's request for a specific file.

Are you trying to this show, or are you having trouble downloading this specific file?

: Be cautious with .MP4 files from unknown sources, as they can sometimes be used to mask malicious scripts.

: Automated "request" messages often expire; you may need to re-submit the request in the original app or channel.