Mako: The Jaws Of Death + Bog

MAKO: THE JAWS OF DEATH (1976): Sonny Stein (Richard Jaeckel, Starman), a Vietnam veteran, learns that he has a mystical connection with sharks after being given a medallion by a shaman. Becoming increasingly alienated from society, he develops an ability to communicate with sharks and sets to destroy anybody who harms them.

BOG (1979): A sheriff (Aldo Ray, We're No Angels), a doctor (Marshall Thompson, It! The Terror from Beyond Space) and a pathologist (Gloria DeHaven, The Thin Man Goes Home) try to catch a prehistoric monster roused by dynamite from the bottom of Bog Lake.