As rumblings grow among the peasantry when tax collections increase, the royal collector is waylaid and robbed by Robin Hood and his band of men. News of the incident reaches the Sheriff of Nottingham and Prince John.

The French Ambassador visits England to forge an alliance that will make Prince John so powerful that King Richard will never be able to reclaim his throne. Robin and his men infiltrate the palace to prevent this.

Sheik Achmed comes from Arabia to sign an olive oil treaty with Prince John, but demands the hand of Maid Marian in marriage as part of the deal.

The peasants' faith in Robin Hood is shaken after he is chosen to guard King Richard's ransom from Prince John and the Sheriff and the treasure comes up missing.

Robin and his men must stop mad German inventor Dr. Otto Bahn from building the ultimate weapon for Prince John and the Sheriff that would destroy Sherwood Forest.

Robin and crew have to stop the Sheriff and Prince John from selling to an Ethiopian prince the beloved bell they have stolen from Nottingham Abbey.

The plague has come to Nottingham and both Robin's and the Sheriff's men are stuck in quarantine in the throne room until the disease runs its course. What will kill them first—the plague or each other?

King Richard must return home to England soon or lose the throne to Prince John. Meanwhile, Robin's men suspect there is a double agent in their ranks. But which side is he really working for?

The Merry Men put on trial the one they think is the traitor in their ranks. Meanwhile, Robin has to stop the Sheriff from killing King Richard when he returns to England as the law requires or lose his throne.