: Documenting the evolution of crafts like animation and CGI , often focusing on how traditional skills adapted to the digital age.

The most meta-version of the genre, where the documentary is about the act of filmmaking itself. Pivotal Films That Changed the Industry

: Use of archival footage , direct/indirect interviews, and voice-overs to provide context and narrative flow.

: Contemporary works often serve as a "critical introduction" to the changing practices of film theory, economic shifts, and the transformation of production through technical and editorial changes. Key Elements of a Compelling Documentary