Horrid Henry: When I'm King is the thirty-eighth episode of Series 2.
Henry's always imagining what life would be like if he became King - and this is his chance to find out!
Horrid Henry falls asleep in the playground and dreams about when he's king. When he and Margaret accuse each other of being bossy, Henry imagines a Medieval style world in which he overthrows Margaret and becomes King. However, he eventually punishes everyone for being traitors even Ralph.