Arthur Sells Out - To earn the money he needs to buy a new video game, Arthur decides to sell his old toys through his school's Web site. At first, sales are slow - until Muffy helps Arthur discover how to sell the 'sizzle' and not the 'steak.' His toys fly off the (cyber) shelf, but is bending the truth to earn money worth losing his friends? Mind Your Manners - When Arthur decides to take on Brain at an all-school checkers competition, everyone rallies behind the underdog. That is until Arthur rejects all the fan support with a big 'yowl.' Will Arthur get his fan support back...and does he even want it back?