Godzilla: Tokyo S.O.S. is a 2003 Japanese kaiju film directed by Masaaki Tezuka, with special effects by Eiichi Asada. Distributed by Toho and produced under their subsidiary Toho Pictures, it is the 28th film in the Godzilla franchise, the fifth film in the franchise's Millennium series, the 27th Godzilla film produced by Toho, and a direct sequel to the 2002 film Godzilla Against Mechagodzilla. The film features the fictional monster characters Godzilla and Mothra, along with the mecha character Mechagodzilla, who is referred to in the film by the name Kiryu.

TOHO Studios Co., Ltd. is a Japanese film production company that is a subsidiary of Toho Co., Ltd. One of the most successful films produced by Toho Studio is the live-action film Godzilla Minus One (2023) which generated more than $50 million at the global box office.