Spookasuaurus loves scaring other dinosaurs, with her spookbag, full of terrifying inventions. But this Halloween she meets Monstersaurus, who she just can't spook, not even with her Hellish Heels, Ma-Scare-A or Beastly Book! Losing her temper she pretends she's going to gobble him up and finally succeeds in spooking the unspookable Monstersaurus.