Robin of Sherwood (1984)

S3E8 The Betrayal

Enraged by the vanishing tax revenues from Nottingham, King John devises a plan to dismantle the outlaws' support among the people. He dispatches a group of soldiers, commanded by the ruthless Roger de Carnac, who disguise themselves as Robin Hood's band. These impostors wreak havoc on the villagers, committing heinous acts that tarnish Robin's reputation and threaten his standing in the community. As the outlaws face growing animosity, the stakes rise, pushing Robin and his companions to fight against this treachery.