If you saw a specific post and want help finding it again (or checking if its “fixed” version is legit), try pasting a sentence or URL from it. I can help analyze whether it's a known fan restoration project.
La pantalla se quedó en negro.
These sources usually offer seasons 1 through 30+, including the "Golden Era" (Seasons 1–10). "Fixed" often implies that the aspect ratio has been adjusted to 4:3 (original) rather than the cropped 16:9 versions found on some early digital releases. los simpsons capitulos completos castellano fixed