Season 1 of Gerhana premiered on January 8, 1999.

Gerhana (Nana) who was born during a lunar eclipse, has spiritual power that combines the forces of Nature and Earth. Nana has two close friends named Mastur and Diki, who are capable of being a help in any situation even though they can only offer silliness and humor. Nana likes Bulan, a popular girl on campus, but is always hindered by Peggy, who likes Nana. With his strength, Nana must protect the people closest to his from his enemies.