"High quality" typically means . Avoid grainy 360p rips that ruin the vibrant color palette of Mewni. Season 1 was animated in widescreen, and details like Star’s wand sparkles or Marco’s reactions are best appreciated in high definition.
: This is a primary source for the series in Vietnam. They provide a pinned post containing links
Several dedicated Vietnamese fansub groups have produced excellent releases. Look for groups like: