Plot: At Grandma's farm Dana conducts Dino Experiment 625: What does it feel like to ride a Hippodraco? With Grandma's guidance and Saara's love of horses, they help Dana learn what it feels like to ride a "Horse Dragon". Dana wants to stay up all night to do Dino Experiment 623: Are there nocturnal dinosaurs? But her Dad's just come back from a late hospital shift and wants to go to bed