Kaiju films are a subgenre of science fiction that feature giant monsters, often emerging from the sea or other mysterious origins. These colossal creatures, such as Godzilla and King Kong, typically wreak havoc on cities, leading to epic battles with military forces or other monsters. Originating in Japan, kaiju films have gained international popularity, influencing various media and inspiring countless remakes and adaptations. The genre explores themes of nature's power and humanity's struggle against overwhelming odds, making it a unique blend of action, horror, and social commentary.