The New Adventures of Robin Hood (1997) : 2x10

Robin is warned by a young boy that Merlin's sceptre is in the hands of the wicked magician Malenoch, who has returned from the dead and decided to take over the kingdom of England using an army of soldiers he has also brought back from the dead. As students who trained under Merlin, Olwyn and Prince John's sourceress Mortiana must team up to destroy the evil tyrant first. Olwyn requests the help of Robin Hood and his band, and they are even assisted by Prince John's men, in the quest to wrest the sceptre from Malenoch's control.