Joe is a cashier at a garage sale and does not have a calculator. A customer brings him a $25 hat, which is 10% off. Wanda and Wishbone notice that he is struggling and give him tips to more easily calculate the price that he should charge the customer.
In this enactment of Chapter IX of The Adventures of Tom Sawyer, Wishbone, playing as Tom, goes with Huck to the graveyard so Huck can get rid of his warts. While there, they see Injun Joe, Muff Potter, and Doc Robinson and witness the Doc's murder.
In this enactment of Chapter XXIII of The Adventures of Tom Sawyer, Wishbone, playing as Tom, is in the courtroom with Huck for Muff Potter's trial. Tom can't ignore his conscience, and when he is called to the stand, he reveals that Injun Joe murdered Doc Robinson. Joe then jumps out of a window in the courtroom and dashes away as fast as he can.