Huntersaurus

'Huntersaurus' follows 7-year-old Hunter, a wildly imaginative boy and his artistic older brother Elliott, who is leaving their family farm. Hunter is not ready to say goodbye, especially after what happened with their mother, and will do anything to keep Elliott around. With the help of a dinosaur, a penguin, and even an amoeba, Hunter must learn what it means to grow up and have the world change around him. Roar! - IMDb