Best Enemies

Summary
D.W.'s parents think she will become best of friends with a 4-year-old girl named W.D., but it turns out they have nothing in common.

Plot
The episode starts out with Arthur and Buster playing catch in the park. Arthur talks about how friends like different things. The ball goes over the fence. Arthur says he hates climbing fences. Buster says he loves climbing fences. He climbs over, grabs the ball and throws it back to Arthur. Now, at the Sugar Bowl, Arthur hates pickles, but Buster loves them and dips it in to his beverage. Arthur groans. Then the food comes to life. Such as one burger loves being covered in mustard while the other one doesn't. The the ketchup says he hates when sandwiches talk during TV shows. The mustard sprays him while the ketchup returns the favor. The ketchup and mustard point at each other and laugh. Arthur finishes up by saying how even though that happens, they're still best friends. Now to the title card.

Best Enemies

The episode starts out at the Reads' house. Arthur's mom asks Arthur for the flower vase. Arthur hands it over and asks why she's stressing out. She replies that she wants everything to be perfect for her new tax clients. A few seconds later, she asks again where the vase is. Arthur reminds her. D.W. comes running in saying the Merkles (the new clients) have a little girl her age and that they're going to play unicorns, trolls, and Over the Rainbow Treasure Hunt. The doorbell rings. D.W. rushes over to the door. The Merkles arrive. Herman introduces himself and his wife Ursa. Then finally he introduces W.D. D.W. is surprised that her name is switched around. Arthur interrupts and says D.W.'s full name. Much to her dismay, D.W. frowns. Ursa tells Arthur that W.D. stands for Wilhelmina Dagmar. W.D. sarcastically says "Nice for embarrassing me in front of the whole universe, mom!" After that, D.W.'s mother tells her daughter to show W.D. some of her toys. D.W. grabs W.D. by the arm and runs upstairs to her room. Later, D.W. brings over a game called Over the Rainbow Treasure Hunt. Because W.D. isn't interested in unicorns, she asks if there's anything with race cars. D.W. responds "No." Much to W.D.'s disappointment. Then it goes to Ursa and Jane hanging out in the living room. Soon, they hear the two girls arguing. Arthur goes upstairs to see what is going on. He sees them arguing about unicorns being real. Arthur says that it's a touchy subject for D.W. D.W. says that unicorns are real and that's the end of the story. Arthur suggests that they go downstairs because dinner is almost ready. W.D. weakly replies that she is sorry for what she said. D.W. says that shes lucky that there were no unicorns in the room to hear her. W.D. makes an angry face. At dinner, W.D.'s mother tells her to show D.W. the toy she brought. It's a race car track. W.D. likes it, but D.W. was siting there bored. Then the two girls think why grown ups think that just because they are the same age that they're going to have lots in common. Then it's nighttime and W.D. and her family go home. Before they leave though, Herman says that they have a house up north and invites the Reads (except Arthur) to stay with them, much to D.W. and W.D.'s horror. Later that night, D.W. has a nightmare where W.D. sets her up in a race car. Now W.D. has a dream where she takes a unicorn ride then they meet up. Their nightmares end. On the car ride, D.W. sits in her seat worried. Nadine comes along in her rocket car and tells D.W. a plan. At the Merkles' house, W.D.'s imaginary friend Maxine gives her advice. Then the two of the laugh. Soon, the Reads arrive. Ursa tells Jane that the girls will have to share a room. W.D. sarcastically says, "Why would we mind!" Now the scene goes to the adults going on a nature hike with the girls talking about their plans. Jane sees them talking and hopes that a weekend is good enough for them. Then it goes to W.D.'s bedroom where they plan to dump out the toy box. Herman and David hear the girls arguing and they run upstairs. They are arguing about who dumped the toy box. Herman suggests that they go out on the porch to paint because they need a creative activity. It seems to work until they get into a paint fight. All the parents hear the splashing and see them covered in paint. Each girl points at each other and says "She started it!" Then they go canoeing. The two girls argue about sitting in the front of the canoe and they get into an arm fight, causing the canoe to capsize. D.W. and W.D. splash each other. Before the Reads leave, Jane and Ursa realize that there's no guarantee that the girls will get along even if they are the same age. W.D. and D.W. say that they had fun in the process. Then the car leaves. But D.W. changes her mind and says that there must be something they have in common and the episode ends.

Major Roles

 * D.W.
 * W.D. (debut)
 * Herman (debut)
 * Ursa (debut)
 * Jane
 * David

Minor Roles

 * Arthur
 * Nadine
 * Maxine (debut)

Trivia

 * This is the debut episode of W.D. and so far her only appearance.
 * W.D is D.W. spelled backwards
 * D.W. says she and W.D. have nothing in common, but in fact, they do: They don't like being called by their full names.

Episode connections

 * When D.W. is showing her dolls to W.D., D.W. is holding one of the Pretty Pioneer Dolls from the episode "Muffy's Classy Classics Club".

Errors

 * At dinner time, Mr. Read tells Herman he has never been fly fishing before. But in "Cast Away" from Season 7 he was teaching Arthur how to fly fish and had plenty of flies!

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