In the world of Japanese media archiving and re-releases, "Extra Quality" usually indicates:
Finding this video in "extra quality" is a challenge akin to archeology. You will not find it on mainstream streaming services like Netflix or Hulu. Here is the roadmap used by serious collectors. azumi mizushima japanese game show video extra quality
For years, collectors and fans have hunted for a master copy of this episode. The standard VHS-rip is muddy. But an source—a Betacam SP tape, a satellite broadcast master, or a rare DVD release—would reveal the truth: In the world of Japanese media archiving and
“Azumi Mizushima Japanese Game Show Video Extra Quality.” a satellite broadcast master
of digital video files (such as 1080p or 4K) rather than a specific production title or series name. Mainstream Japanese Game Shows (For Distinction)