DON'T BE SILLY, BILLY - When Billy, a new engine, comes to the island, Thomas is given the job of showing Billy how to do his jobs. Billy doesn't want to listen to Thomas' instructions. He calls Thomas a bossy engine and races away. Thomas follows him across the island trying to tell Billy what to do, but still Billy won't listen. Eventually Thomas gives up. Soon Billy runs out of coal and water, just as Thomas had warned him. Thomas shunts Billy to the water tower and fills him with coal again. Billy is very sorry for not having listened - he realizes that Thomas was only trying to help. Together, they finish the jobs and Billy admits that he did like working with Thomas after all. All the engines think Edward knows everything. When he's given the job of taking the mail, Edward wants to ask for help, but worries that he'll look silly. He doesn't realize that the trucks are in a specific order and delivers the mail to the wrong places. When he realizes his mistake, he is very upset and knows he'll have to deliver them all over again. Edwards collects the mail and tries to deliver them but is in such a rush that he makes a mistake and the parcels go everywhere. Finally he decides that he must ask for help. He goes to Percy who is happy to help! Edward doesn't feel silly.