Henry is forced to be a pageboy at his cousin, Polly's wedding. However, he soon causes the wedding to turn into an unanticipated disaster.

Henry is stuck in Madame Tutu's ballet class when he'd rather go to Karate.

Henry is upset when Ed Banger starts singing "Nice" songs.

It's Take Your Child to Work Day again, and this time Mum is taking Henry.

Henry thinks his Winter Wish comes true when it snows.

Henry invades Moody Margret's Pirate Party.

Henry begs Dad for a new mobile phone, while Peter's DJ gift from Great-Aunt Greta has gone too far.

A banana starts a series of problems for Henry.

Henry completes a challenge and a part of it includes being horrid. This may not sound anything like breakfasts, but it will become clear when it comes to the show!

Henry discovers what love is.

Mum starts a system for keeping track of Henry and Peter's behaviour, and Henry is persuaded to be good so he can win tickets to a movie.

Henry thinks that he is going on holiday to somewhere exciting and realistic but ends up somewhere very boring.

Henry has a dream where he gets a clone of himself.

A boodle poodle moves into Margaret's.

Henry has a rival on his hands in the form of Perfect Peter, who wants to be horrid.

Henry has to be good to get a special treat.

Tired of never getting any birthday or Christmas presents every year, Henry begs his parents to give him one early.

Henry starts a service that claims to get homework completed. Henry calls on Peter when he ends up with more homework than he initially expected.

Henry sees what the world would be like if he didn’t age. He finds some unexpected paths in the student’s lives.

Horrid Henry is taken to work by Dad and meets his boss' son, Bossy Bill, and he has to do everything he says or else. However, all Bill does is manipulate Henry into committing terrible acts which end up ruining the company's workplace. So, Henry decides to get back at Bill by tricking him into doing the worst possible thing at work, and secretly on camera for his father to see

It's the Purple Hand Gang vs The Secret Club in a war for the school climbing frame!

Sharing is something that Henry and Peter dislike doing, but is there anything they can do about it?

Henry feels depressed for a day.

Henry sits on a worm that he couldn't see, so he gets into an inescapable situation.

Henry finds a dog and must make sure that he finds its owner without Mum finding out.