Jealous when Arthur loses a tooth and receives a quarter for it, his sister tries to trick the Tooth Fairy into also visiting her.

D.W. is jealous when her big brother Arthur loses a tooth and gets a visit from the Tooth Fairy. Arthur explains that the Tooth Fairy comes only when you lose a tooth and put it under your pillow at night, so D.W. dreams up some hysterical (but unsuccessful) plans to trick her into coming. Finally, Arthur decides to reward D.W.'s efforts by playing Tooth Fairy himself! By matching picture stickers to words in the story, kids reinforce word recognition. With the extra stickers, they can create stories of their own.

Jealous when Arthur loses a tooth and receives a quarter for it, his sister tries to trick the Tooth Fairy into also visiting her.

Arthur's mother tells him to have a garage sale to get rid of all the junk in his room. But, when his friends offer him really cool trades for his stuff rather than money, he ends up with a whole new set of junk.

Arthur is responsible for staying with D.W. while they stand in line to meet Mary Moo Cow. But when Arthur gets distracted and leaves her alone, he comes back to find her missing.

D.W. is nervous about having her first school fire drill so Arthur helps her to practise for it. He shows her all the things to do in an emergency and, in turn, D.W. shows the whole family - even in the middle of the night.

Arthur's whole class has started losing their teeth-but not Arthur. His loose tooth wiggles but won't come out. Everyone seems to think they have the best solution. But none of their ideas work! Will he be stuck with his tooth forever?