When Things Were Rotten - Season 1 (1975)

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 inventor 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 Four Guys from Gloucester, master woodsmen, have been hired by the Sheriff to chop down Sherwood Forest, so it can be replaced by a new housing development, Sherwood Meadows. Robin and his men have to convince the Guys to quit the job.

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

It's a happy birthday for both Renaldo and Bertram, in Sherwood Forest and Nottingham castle. When Renaldo goes to the castle to see Bertram, he is captured and sentenced to death. Will Bertram forget old scores and save his brother's life?

King Richard must return home to England soon or lose the throne to Prince John. Meanwhile, Robin Hood'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. Robin Hood meanwhile has to stop the Sheriff from killing King Richard when he returns to England as the law requires or lose his throne.

The Sheriff hires the famous mercenary, the Black Knight, to challenge Robin Hood to a fight to the death. Robin accepts, despite being crippled by a recent wound. But the Sheriff has his own plans for the fight, no matter who wins.