The Adventures of BooBoo and Peanut: The Lost Baby Dinosaur

BooBoo and Peanut are best friends.  They love new adventures.  Sometimes  BooBoo and Peanut  end up in big trouble.  In this adventure they went hiking in the forest.  Deep in the forest they heard a strange noise.   They decided to go and investigate.  They discovered they were not alone in the forest but something big and scary was hiding behind the tall trees.  They could hear the loud noises and growling sounds coming from behind the trees.  What would BooBoo and Peanut find behind the trees?