Terror Under the Blood Moon.After Spear and Fang escape a pack of dromaeosaurs, they experience a red lunar eclipse and encounter a tribe of cavepeople being attacked by gigantic red bats. They attempt to fight the bats off, but Spear is carried away by one, his spear left behind with the cavemen. Fang pursues the bats to a tall stone pillar, which she finds impossible to climb. Seeing two of the bats emerging from the top, she plays dead and allows them to carry her to a cave at the peak...