Arthur - Season 1 Episode 4

D.W.'s Imaginary Friend: Arthur doesn't like D.W.'s imaginary friend Nadine. When Arthur and Buster want to go on this new ride at Wonder World, D.W. begs to go on the ride also. But Arthur thinks that D.W. will embarrass him talking about Nadine in front of his friends./Arthur's Lost Library Book: Arthur borrows a lot of books from the library, including the newest 'Scare-Your-Pants-Off' book, 'The Mysterious Hand'. Arthur forgets that he had 'The Mysterious Hand' and tries to find it before he has to return it.