Use the "Community Collections" filter and sort by "Date Archived" (oldest first) to find pre-DMCA vintage uploads.
Long before the current "Disney XD" iteration of Doraemon that many American children are familiar with, there were several failed attempts to bring the robotic cat to English-speaking audiences. In the 1980s and 90s, various production companies produced pilot episodes or short-lived series runs that featured different voice actors, localized names (Nobita was sometimes "Noby," and "Gian" was "Big G"), and heavily edited storylines.
Specific users are legendary in the Doraemon preservation scene. Look for uploaders like "RetroAnimeArchivist" or "VHS Preservation Project" (names change over time). These users provide detailed metadata, including the source of the tape, the transfer method, and any digital artifacts.