Superior Ultraman 8 Brothers (2008)

On July 17, 1966, best friends Daigo Madoka, Shin Asuka, and Gamu Takayama watch the first broadcast Ultraman television series at Daigo's house. They are inspired to grow up and do great things. 30 years later, the three have forgotten their childhood passion for Ultraman and dreams while continuing their lives as normal civilians. With aliens threatening the utter annihilation of Earth and Daigo experiencing mysterious visions, Ultraman may just provide the key to saving the entirety of mankind.