The documentary receives a critic rating of 8.1/10 (based on one source) and is often praised by fans of the main feature, 'Tenet', for providing crucial clarity and context. We present a score of 8.1/10, as requested.

It is an hour-long, behind-the-scenes documentary that details the complex development, production, and technical challenges of Christopher Nolan's 2020 film, Tenet. It features interviews with the director, cast, and crew, offering insights into the film's innovative concepts like time inversion.

The documentary features director Christopher Nolan, co-producer Emma Thomas, editor Jennifer Lame, cinematographer Hoyte van Hoytema, production designer Nathan Crowley, and main cast members like John David Washington, Robert Pattinson, Elizabeth Debicki, and Kenneth Branagh.

The documentary was released on December 14, 2020, as part of the Blu-ray special features for the film Tenet.

The title refers to how the complex concepts of 'time inversion' and reverse entropy in Tenet fundamentally challenged the filmmakers (and the audience) to look at the world, and action filmmaking, in a completely new and unconventional way.

It covers the writing process, the scientific concepts, the challenges of filming the complex inverted action sequences, the use of practical effects, the cinematography, and the editing.

Yes, this stream is in 1080p BluRay quality, offering superior picture and sound compared to standard definition streams, derived from the official home media release.

While it does not simplify the plot entirely, it clarifies the highly complex and often confusing physics and production concepts used in the film, which aids greatly in understanding the main feature.

The documentary was originally a special feature on the physical Blu-ray and 4K Ultra HD releases of Tenet. It is available here as a separate stream for viewers.