Bill or Ben?

Bill or Ben? is a fifteenth episode of the seventeenth season

Plot
Connor is a new engine on The island of Sodor. When Bill and Ben meet him for the first time they decide to play a trick on him, pretending to be super fast when it’s really Bill at the start of the race and his identical twin 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 everyone can tell them apart, but Bill and Ben still have one last trick up their funnel

Characters

 * Thomas
 * Edward
 * Gordon
 * James
 * Toby
 * Paxton
 * Stephen
 * Bill and Ben
 * Stafford
 * Connor
 * Caitlin
 * Sir Topham Hatt
 * Sir Robert Norramby