Relive the drive-in theatre days with a quartet of bloody-good howlers guaranteed to raise a few screams and laughs, three of which feature the directorial "expertise" of the USA-via-the-Philippines team of Eddie Romero and Gerardo de Leon, and all starring John Ashley. In the gore-and-girl fest, Brides of Blood (1968, 92 mins.), American scientists get more than they bargained for as they search for mutated life forms on an island where young virgins are sacrificed to gods of evil. Another Philippines-produced gem, the bizarre Mad Doctor on Blood Island (1969, 89 mins.) follows a crazed scientist whose experiments result in a savage mutant on a killing spree. In the hilarious prologue, audience members are instructed to drink a green potion and recite a "blood oath." The sequel, Beast of Blood (1970, 90 mins.), sees scientist injecting life into a headless monster, who proceeds to run amuck amongst vast amounts of gore and topless women. Director Al Adamson (Satan's Sadists, Dracula vs. Frankenstein) directs the fourth entry, Brain of Blood (1971, 107 mins.), essentially a remake of Mad Doctor of Blood Island with even more blood, gore and naked glory, plus the added bonus of an evil dwarf (the great Angelo Rossitto).