It's Be Nice to Your Brother Day and Henry's got the chance to win a Class Zero game if he can be nice to Peter all day.

Henry always wants the lead part in the school play, but this time he clearly doesn't.

When Peter has a sleepover, Henry decides if you can't beat them, then you just have to join them.

An important Football match takes place on the same day as Stuck-Up Steve's Birthday Tea. How can Henry find a way to watch this important match?

Dad decides to get Henry a Saturday Job cleaning up the Park.

Is Super Sammy, Peter's French Pen Pal really super?

Henry and Peter take turns being gardeners.

Henry gets the Hiccups, and he could possibly break a world record in doing so!

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

Henry can't decide what to call a kitten as they try and make situations to prove that it should be the name they wanted it to be.

Henry tries to find a way to watch a Gross Class Zero DVD that's so gross that no parent can watch it.

Mum wants to extend her vegetable garden which means taking down Henry's Fort.

Henry wonders why everyone is being secretive around him.

Henry thinks Margaret has been invaded by Aliens when she suddenly starts being nice to him.

Peter is on the way to winning a singing competition, but Moody Margaret wants a piece of the action as well.

Henry accidentally spills Mum's perfume on the night before her wedding anniversary, so he and Peter must make a batch before she finds out.

Henry and Dad think that going fishing is better than going shopping.

Henry thinks running a School is like being King for the day, only except it's not!

Henry thinks that the visiting Bossy Bill is making Peter's life miserable.

Henry accidentally submits a drawing that he risks is gonna get him into big trouble, so he teams up with Margaret to retrieve it back.

Henry imagines a world without any ice cream when the ice cream man retires from his job.

Henry forms a new money-making service to buy toys - Petsitting.

Henry's school tries out School Uniform - to horrendous results.

Henry, Margaret, and William are all on the TV show Kidswap, and so swap houses for a week.

Henry and Peter are in the kitchen, making a romantic meal for Pimply Paul and Prissy Polly, who are babysitting them for the day.

Henry is forced to be in The Happiest Family Contest until he hears that the grand prize is an island getaway.

Mum thinks that the family needs more exercise, so she enters the household into a Fun Run.

Great-Aunt Greta babysits Peter and Henry while their parents are out for the weekend. However, Henry is up to something great and horrible.

Henry realises that age is no excuse for bad behaviour.

Henry gets knocked out and dreams about being a grownup and he's going to marry Moody Margaret and Peter has two identical sons.