They're in it Deep now! Murderous monsters scantily clad prehistoric playmates and telepathic pterodactyls inhabit the center of our world in this fantasy adventure about a manned ""drill-craft"" boring its way to the center of the Earth! There's more than lava at the Earth's core. There's also Pellucidar: an underground empire where gargantuan pterodactyls torture and enslave all humanoids - including the lovely Dia (Munro). But all that could change when a surface-dwelling scientist (Cushing) and an American businessman (McClure) drive their powerful ""Iron Mole"" straight into Pellucidar...stirring up a great deal more than dirt rocks and lava!