Henry might be a horrid child most of the time, but he has done a few awesome moments too.
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* Henry's plan to move Margaret out of his house as a whole in "Moody Margaret Moves In". It consists of Margaret reading his diary and discovering a newly written entry where he is worried she will get him into trouble. As Margaret knows Peter wouldn't tell on a guest, she decides to put him in a bin and force him to stay there in the hope Henry will get into trouble. When Henry's parents find out about this, Henry tells Peter to never tell a lie, in which he takes Henry's advice and states that Margaret's done it.
* Henry successfully defeating the Demon Dinner Lady by spiking his biscuits with chilli powder in the book adaptation of "Horrid Henry and the Demon Dinner Lady". The TV episode takes the awesomeness even further by making Henry convince the students to bring in ''countless'' amounts of junk food, knowing that she can't stop herself until she becomes sick and overweight.
* When Mum has [[DinnerWithTheBoss her boss over for dinner]], Henry tries to be horrid as usual. Surprisingly her boss thinks this is amusing - since ''he'' knows all of the tricks that Henry attempts to pull on him, even eating spicy food that makes ''Henry'' run into the bathroom screaming.
* Henry saving Peter from a shelf that is about to fall on top of him in "Horrid Henry Trapped!".
* Henry and his class working together to get rid of Mr Nerdon by convincing him he has accidentally turned them into frogs.