Clifford the Big Red Dog Season 1 Episode 40 Blanket Blues / Dino Clifford >Vaz's big sister Teresa is home from college and is ready to dig for dinosaur bones and fossils on Birdwell Island. Who is more perfect to help her dig than Clifford and his dog friends? Everybody has great luck digging up fossils that will complete a dinosaur skeleton that Teresa is piecing together – everybody but T-Bone, that is. But by believing in himself, T-Bone ultimately comes up with one of the most important bones to complete the job.