Bill or Ben? - When Bill and Ben see new engine Conner for the first time, they decide to play a trick on him and pretend to be able to go faster than him. But it's really Bill at one end of the race and Ben at the other. When Connor tries to race them again he nearly has an accident. Sir Topham Hatt is cross and sends Bill to be repainted so that he and Ben don't look the same, but Bill and Ben still have one last trick up their funnels! Not Now, Charlie - Charlie is the small purple engine who likes to tell jokes. One day Charlie discovers an elephant on the line and tries to alert the other engines, but they all think he is joking. Finally Charlie alerts the Sodor Search and Rescue Center where Harold takes him seriously. With Harold's help, Charlie finally recovers the elephant and returns it to the Sodor Animal Park. Charlie proves that he's not always just the joker; he is in fact a Really Useful Engine!