A. Arnold has to do a book report, and he decides to do it on his favorite author, Agitha Cawfield, but he sees her bad side when she is very crabby & rude to him. B. There is a new kid at P.S. 118, but he isn't the playful type, and he doesn't know the definition of fun, so Arnold and the gang try to teach him to have fun and take a break off his busy schedual. (thetvdb.com)