Ultraman Mebius Side Story: Hikari Saga - SAGA 1: Arb's Tragedy
- Genre: Action, Adventure, Science Fiction
- Studio: Tsuburaya Productions, Bandai Visual
- Keyword: kaiju
- Cast: Keiichi Nanba, Motomu Kiyokawa, Tokuma Nishioka, Masako Ikeda, Hideyuki Tanaka, Yuko Ogura