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Brain's Brain Brain, D.W and Bud venture into Brain's brain after neither can remember where they can find the last Easter Egg in the Easter Egg Hunt.
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Brain Sees Stars Brain plans on seeing a meteor shower. He thinks he is cursed since every year something goes wrong and cannot see it.
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Sue Ellen Adds It Up Sue Ellen is dismissive about maths until she runs into a problem her artistic vision cannot solve.
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Wish You Were Here Sue Ellen meets her pen pal but he is more interested in fashion than world culture.
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Arthur's Toy Trouble Arthur gets a Mutant Muck Monster as a gift, which he later learns is worth two million dollars unboxed, but it has fallen into the D.W.'s hands.
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Spar for the Course After Binky wrecks the 18th hole at a miniature golf course, Muffy, Buster and Binky attempt to create a new 18th hole.
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Carl's Concerto Carl agrees to play the accordion for George's puppet show reenactment of Goldilocks and the Three Bears for the local preschool class.
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Too Much of a Good Thing Buster enlists Binky's help as a method to prevent him from gorging cookies at a constant rate.
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The Last Day Arthur and his friends are moving into the fourth grade, which Muffy and Francine are concerned about. Meanwhile, Arthur and Buster have their sights set on being in the fourth-grade class taught by the 'cool' new teacher.
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Maria Speaks Aria, a silent girl in Mr. Ratburn's class, finally gets a chance to speak when she is appointed a school news anchor.
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Postcards from Binky Binky's grandparents miss his big soccer game, and so he attempts a reenactment of the event making video postcards just as Buster did when he left with his dad.
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Mr. Ratburn's Secret Identity Arthur and his friends believe that Mr. Ratburn has a secret identity.
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Besties When Buster and Ladonna bond, Arthur feels left out.
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Carried Away Pal's cousin Dr. Yowl whisks Pal, Kate and Mei Lin away on an adventure through the solar system in his kennel.
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Dueling Detectives When George's giraffe puppet Wally goes missing, Fern and Binky war over who can find him.
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Buster Isn't Buying It After believing a false science show, Buster decides to never believe in anything without proof again.
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Episode 17 One Ornery Critter - Buster is tasked with taking care of his aunt's dog Carrotcake, but she dislikes Arthur, which concerns him, as he believes that it will sabotage his position as being universally loved by dogs.
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Francine's Cleats of Strength Francine needs money to buy some new cleats, so she takes a job as Muffy's personal assistant.
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Little Miss Meanie Muffy and Lydia join forces to topple a snobbish and unpleasant beauty queen.