Watch Clifford's Really Big Movie for Free: How to Stream the Movie Online at 123Movies. . Fearing that he costs too much to feed, Clifford decides to join a traveling carnival so he can enter a talent contest in hopes of winning a lifetime supply of Tummy Yummies treats. Joined by his friends Cleo and T-Bone, Clifford meets up with Shackleford the High-Flying Ferret and Rodrigo Chihuahua of Steel, as they work together to turn a broken-down act into a record-breaking show.