Arthur's Treasure Hunt & The Return of the King

Arthur's Treasure Hunt: After Buster finds an arrowhead in his backyard, Arthur wants to dig around his house to see what he can find. When he gets too involved, he starts digging where he is not allowed to dig.
The Return of the King: Mr. Ratburn's class is at a medieval fair competing for a trophy against a class from Glenbrook led by Mr. Ratburn's former teacher, Mr. Pryce-Jones. During the competitions, Arthur is sidetracked by the sword in the stone and Mr. Ratburn's class fear that Mr. Pryce-Jones may replace Mr. Ratburn if they lose.