Nickel Plate Nick Saves Christmas

What happens when Santa drops his bag? "Santa is too smart for that," you might say, "he always delivers his gifts on time." Normally, I would agree with you. However, Santa did drop his bag, and it landed on a hedgehog's head, Nickel Plate Nick's to be specific. Luckily for Santa, that hedgehog has a train. "But still, surely one little hedgehog can't deliver all those gifts himself," you might say. Well, I think you're right. He will need some help...