Jurassic world Chaos Theory Pachyrhinosaurus screen time Pachyrhinosaurus appears in many parts of the show primarily in the first and second to last episode in episode 1 Aftershock is its first appearance in the franchise it faces off with an adult Allosaurus and in episode 9 into the fog it appears twice in this episode first time it is loosened from the back of a truck then is swiftly tranquilized and recaptured while the second time it escapes it escapes from a shipping crate alongside a Carnotaurus Suchomimus and Parasaurolophus it proceeds to wreak havoc.