Season 1 Episode 9

Castle scientist Lambert invents explosive black powder, but worries it could be a lethal weapon in the hands of someone like the Sheriff. Lambert hides his notebook, but the Sheriff tortures him until he talks. Much gets himself arrested so that he can rescue Lambert once he's inside the castle. But the Sheriff foils his plan by making him Earl of Bonchurch. Lord Much worries about what else the Sheriff has planned, but forgets when he sees who has been assigned to look after him.