As a "found footage" style parody, the film uses subtitles and other on-screen text to lean into "errors" typical of the era:

If you are looking for actual subtitle files (SRT) to watch the movie, reputable platforms include:

The film mocks how subtitles in old exploitation films often failed to capture nuance or were completely fabricated by Western editors.

The boy looks at him and speaks in Vietnamese. While the audience sees the original dialogue, the "subtitle" doesn't appear on screen; instead, Black Dynamite vocalizes his own interpretation of the translation.

The film frequently features visible boom mics and actors looking at the camera, which pairs with the subtitle humor to remind the viewer they are watching a "poorly made" film. Where to Find Subtitles