Ultraman Tiga is a Japanese tokusatsu superhero series from the Ultra franchise. It follows Daigo Madoka, who becomes the warrior Ultraman Tiga to defend Earth from ancient and cosmic threats. The series is known for reviving the Ultra brand in the late 1990s with a darker tone, strong character drama, and a mix of giant monster battles and mythic science-fiction elements. It became one of the most popular entries in the franchise.