As Jack and May prepare to celebrate their wedding anniversary a tearful May suspects that she might be pregnant. Jack is not pleased. Arnold the train driver, having had an accident learning to drive the new diesel engines, fears that he will be made redundant and the staff, including Cecil, organise a petition as Arnold chains himself to the front of his engine. Fortunately, news of his redundancy, like May's pregnancy, turns out to be a false alarm.
—don @ minifie-1