The Flying Monster (Korean: 비천괴수; RR: Bicheongoesu; lit.

The Undead Beast)[a] is a 1984 Korean kaiju film directed by Kim Jeong-Yong.

Dr. Kim (Kim Ki-Ju) a mad scientist teams up with a young reporter named Kang Ok-hee (Nam Hye-Gyeong) to prove that dinosaurs still exist.

The Flying Monster utilizes extensive stock footage of the kaijus from four of Tsuburaya Productions TV series, which includes the following: Ultraman (Pestar), Return of Ultraman (Seagorath, Seamons, Bemstar, and Terochilus), Ultraman Ace (Verokron) and Fireman (Dorigon),[3] as well as the 1971 Taiwanese film The Founding of Ming Dynasty (Two Unnamed Dragons).

The Flying Monster was released in South Korea on January 12, 1985.