- Godzilla and Gamera both previously battled in a live stage show in 1970.
- In June 1979, the Japanese TV Magazine included a special feature called "Godzilla vs. Gamera" comparing the two monsters and discussing who would win in a fight.
This is a list of references for Godzilla vs. Gamera (Unmade 2002 film). 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: