The phrase "a companion documentary" is correct and usable in written English.
It can be used to refer to a documentary that accompanies another work, such as a film, book, or series, providing additional context or information.
Example: "The director released a companion documentary that explores the making of the film and the stories behind the characters."
Alternatives: "an accompanying documentary" or "a supplementary documentary".
The game has since been renamed Broken Age, and is being filmed for a companion documentary series about its development.
Older children, however, may be fascinated by the transformation and emergency work, as depicted in both "Scent of Danger" and a companion documentary, "Nose for Crime".
The investigation was prompted by articles in The Times and a companion documentary on the PBS television program "Frontline" that described McWane as one of the most dangerous employers in America.
Federal prosecutors, with investigators from the Environmental Protection Agency, the Occupational Safety and Health Administration and the F.B.I., began investigating McWane in response to articles in The New York Times and a companion documentary on the PBS program "Frontline".
Accompanying me on the two-month trip were the filmmaker M J Sieber, who was helping to film a companion documentary, and the playwright Mallery Avidon, who was helping to find subjects, taking notes for a script and discovering a talent for writing haikus.
With filmmaker Matt Wolf, Anna co-directed and produced A BALLET IN SNEAKERS: JEROME ROBBINS AND OPUS JAZZ, a companion documentary to NY EXPORT: OPUS JAZZ, (SXSW 2010 Emerging Visions Audience Award) which aired on the PBS Great Performances/Dance in America Series.
William Hurt's elegance isn't a perfect match for Dr. Feynman's blunt genius, and the script takes some liberties with events; for those who want the full arc of his career, a good companion documentary airs the same week.
He recently published a book titled City of a Million Dreams: A History of New Orleans at Year 300 (2018) and is producing a companion film documentary by the same title, to be released in 2019.
She explained all to the BBC, with the help of political satirist and commentator Mo Rocca who stars in a companion PBS documentary to be broadcast in October.
The album, "Reincarnated," and its companion documentary, opened to mixed reaction -- with a few critics writing it off as a gimmick -- and were coolly received.
Whether my book No Impact Man and the companion documentary of the same title are remembered as the stories of a stunt or not is ultimately immaterial.
