Until the late 1990s, Japanese TV networks rarely preserved master tapes. To save storage space, old shows were often recorded over. While Shin-Ei Animation kept the film reels, many of the broadcast specific elements (like the original voice-over announcing the sponsor, or localized bumpers) are gone forever. An "exclusive raw" might be the only surviving VHS recording of a fan from 1986.
The most exclusive raws come from satellite rebroadcasts (like on CS or BS channels) in the early 2000s. These files often have a small, semi-transparent logo or a clock in the corner. Collectors value these because they prove lineage from a real broadcast master, not a re-compressed web rip. doraemon 1979 raw exclusive
Piisuke grows too large to hide in Nobita’s yard. The police and media begin to spot him. Nobita tries to release Piisuke into a local pond, but Piisuke cries and refuses to leave, having imprinted on Nobita. Until the late 1990s, Japanese TV networks rarely
Doraemon explains the hard truth: Piisuke belongs in the Cretaceous Period. He will not survive in the modern world. Nobita is devastated but agrees to take Piisuke back to his own time. An "exclusive raw" might be the only surviving
They use the Time Machine to travel 100 million years into the past. However, upon arrival, Doraemon realizes they have a problem. They accidentally arrived in North America (where Nobita's modern fossils came from), but Piisuke is a Japanese dinosaur (a Futabasaurus). Leaving him in the wrong ecosystem would be a death sentence.