the shape of things to come (1979)

"This is lunar space control."
Earth's a wasteland, with humanity living on the Moon, and depending on an anti-radiation drug only available from planet Delta 3. Unfortunately Delta 3 is now controlled by Omus (Jack Palance), a mad scientist, hell bent on taking over the moon. Their only chance is an unauthorised mission to stop Omus by Dr. John Caball (Barry Morse), his son Jason (Nicholas Campbell), his friend Kim (Anne Marie Martin), and a robot named Sparks. 
Screams low budget TV movie.

shadow of the hawk (1976)

"Evil is around us."
Mike (Jan Michael-Vincent) is plagued by visions of a powerful evil spirit, and when his grandfather, a native American Shaman, Old Man Hawk (Chief Dan George) turns up unexpectedly asking to be taken home, Mike is pursuaded to reluctantly journey to their ancestral village. With a reporter (Marilyn Hassett) tagging along, Hawk reveals he is in a spiritual battle with an evil sorceress and Mike is drawn into the ancestral curse.
Atmospheric road movie thriller, that loses its way after a while.

frogs (1972)

"Damn creatures are everywhere!"
A group arrive on an island estate owned by Jason Crockett (Ray Milland) to celebrate his birthday, only to find it crawling with frogs and other animals determined to get Crockett back for poisoning nature! The only one who can help is photographer Pickett Smith (Sam Elliot).
Silly eco-horror, that has you rooting for the amphibians.