"Spank.m4v" appears to be the digital title for the , specifically the version released on digital platforms like iTunes or Amazon. Film Overview
: The film is praised for its impressive practical alien designs and creature effects, which hold up surprisingly well. It has a nostalgic charm for those who grew up in the 90s. Spank.m4v
The file name is a known shorthand/internal title used for this movie in digital storefronts. If you see this in your library, you are likely looking at Spaced Invaders . Critical Reception "Spank