Director: Bert I. Gordon.

Cast: Marjoe Gortner, Pamela Franklin, Ida Lupino

Rats, roosters and mosquitoes eat runny mayonnaise from the centre of the earth and mutate into man-sized man-eaters. Ludicrous characters (including an heroic female bacteriologist) spout some of the best bad dialogue ever and run screaming from a bunch on giant rat heads on sticks.