After Final Wars, Toho decided to retire the Godzilla character for a few years' time until 2014's Godzilla.
Despite being released in 2006 and not sharing continuity with the Gamera trilogy, Gamera: The Brave is actually part of the Heisei series, as evidenced by it being grouped with the other Heisei films in a Heisei Gamera book called Heisei Gamera Perfection. As such, the Millennium era only applies to the Godzilla series.
The Millennium series is the first of Toho's Godzilla series to not feature Godzilla as an antagonist who is defeated or killed by humans in the first film. It is also the first series to feature Godzilla battling another monster in the first film.
This is a list of references for Millennium era. These citations are used to identify the reliable sources on which this article is based. These references appear inside articles in the form of superscript numbers, which look like this: