Ep 24. The Longest Train

Genie's new invention the Duplicator Device, can duplicate train cars. Railwatch each adds more cars to get more work done, but they get so long they slow down! Mos and Dos see the slow-down and swoop in to swipe the device. But they end up using it on themselves! Meanwhile, Train-X has almost completed his shadow machine, while Duke is not happy and not sure what to do.