Maybe you've heard of the diddisaurus dinosaurs? They're a tiny species about the size of a human finger. Join Dora and Fred as they tell their story, from the beginning of time, until present day, including a 'cruise' on Noah's Ark.Their retirement plans are shattered by the sudden arrival of very lively son Squirt! He discovers a whole new world of adventures, once he finds his wings and flies Tim's sock drawer.