I read an article that every Star Wars films has its monsters except episode III. For episode I, there are monsters in the water when Obi-Wan, Qui-Gon and Jar-Jar head to the planet core:Sando Aqua Monster, the Opee Sea Killer and the Colo Claw Fish In episode II, there were monsters in the arena: the Reek, the Acklay and the Nexu... Episode IV had the Dianoga, the creature in the trash compactor. Episode V had the Wampa which attacked Luke in the beginning of the film and the Space Slug, a monster hidden in the asteroid field Episode VI, there was one of the most famous monsters in star wars namely the Rancor, Jabba's pet and the Sarlacc, a monster hidden in the Dune Sea. So which one is your favourite?