The Phantom from 10,000 Leagues
Horror Sci-Fi  /10
Released • 1955
An unusual radioactive rock on the sea bottom mutates the ocean life into a horrible monster. When charred, radioactive bodies begin to drift ashore a scientist and government agent investigate the phenomenon, and it's connection to a local marine biology professor.—Jeremy Lunt
See also...

A.K.A. BR: Buffy, a Caça-Vampiros  IL: באפי קוטלת הערפדים  IT: Buffy - L'ammazzavampiri  US: BtVS