Hooray! Hooray! It's Dino Day! From the creators of Unicorn Day comes a dino-mite celebration as all sorts of dinosaurs celebrate Dinosaur Day! On Dinosaur Day, dinosaurs love to stomp and chomp. But they like silly singing, rowdy swimming, and yummy desserts too. All this fun makes the baby dinos want to join, but something unexpected pops up. Will the dinos accept this new addition to keep Dino Day going?