Set in a post-nuclear holocaust Earth, the harrowing sci-fi saga "Def-Con 4" follows three astronauts who return from space to find a chaotic world of deformed savages and ruthless marauders. Maury Chaykin, Kate Lynch, and Tim Choate star. Then, "Hell Comes to Frogtown" in the form of Sam Hell (Roddy Piper). He's roaming the radioactive wasteland in search of fertile women to impregnate, thus keeping humanity going, but the frog mutants who rule don't take kindly to his mission. Sandahl Bergman, Rory Calhoun, William Smith co-star. 174 min. total. Widescreen (Enhanced); Soundtrack: English Dolby Digital stereo.