Episode 1
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.
Episode 2
Henry always wants the lead part in the school play, but this time he clearly doesn't.
Episode 3
When Peter has a sleepover, Henry decides if you can't beat them, then you just have to join them.
Episode 4
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?
Episode 5
Dad decides to get Henry a Saturday Job cleaning up the Park.
Episode 6
Is Super Sammy, Peter's French Pen Pal really super?
Episode 7
Henry and Peter take turns being gardeners.
Episode 8
Henry gets the Hiccups, and he could possibly break a world record in doing so!
Episode 9
Henry finds a dog and must make sure that he finds its owner without Mum finding out.
Episode 10
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.
Episode 11
Henry tries to find a way to watch a Gross Class Zero DVD that's so gross that no parent can watch it.
Episode 12
Mum wants to extend her vegetable garden which means taking down Henry's Fort.
Episode 13
Henry wonders why everyone is being secretive around him.
Episode 14
Henry thinks Margaret has been invaded by Aliens when she suddenly starts being nice to him.
Episode 15
Peter is on the way to winning a singing competition, but Moody Margaret wants a piece of the action as well.
Episode 16
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.
Episode 17
Henry and Dad think that going fishing is better than going shopping.
Episode 18
Henry thinks running a School is like being King for the day, only except it's not!
Episode 19
Henry thinks that the visiting Bossy Bill is making Peter's life miserable.
Episode 20
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.
Episode 21
Henry imagines a world without any ice cream when the ice cream man retires from his job.
Episode 22
Henry forms a new money-making service to buy toys - Petsitting.
Episode 23
Henry's school tries out School Uniform - to horrendous results.
Episode 24
Henry, Margaret, and William are all on the TV show Kidswap, and so swap houses for a week.
Episode 25
Henry and Peter are in the kitchen, making a romantic meal for Pimply Paul and Prissy Polly, who are babysitting them for the day.
Episode 26
Henry is forced to be in The Happiest Family Contest until he hears that the grand prize is an island getaway.
Episode 27
Mum thinks that the family needs more exercise, so she enters the household into a Fun Run.
Episode 28
Great-Aunt Greta babysits Peter and Henry while their parents are out for the weekend. However, Henry is up to something great and horrible.
Episode 29
Henry realises that age is no excuse for bad behaviour.
Episode 30
Henry gets knocked out and dreams about being a grownup and he's going to marry Moody Margaret and Peter has two identical sons.
Episode 31
While waiting for ballet class to start, Henry catches Miss Battle-Axe and Soggy Sid at a really embarrassing sight - Ballroom Dancing.
Episode 32
The Family go green and install a wind turbine.
Episode 33
Henry saves Miss Oddbod's Cat, but Peter takes the credit.
Episode 34
Mum's Biscuits are a big hit with Henry, and he's determined to know what the secret recipe is.
Episode 35
Mum thinks that Henry should get a haircut.
Episode 36
Henry ends up getting spots on Fame for a Day.
Episode 37
Henry and Margaret compete for the best snowman to win free Ice Cream.
Episode 38
Mum and Dad go to Paris by air and Henry and Peter go to summer camp. Henry is desperate to escape.
Episode 39
Henry imagines what it would really be like if he was king.
Episode 40
Henry and Ralph take a shortcut so they can win a 5 mile race against the Brickhouse Boys.
Episode 41
When Prissy Polly and Vomiting Vera come to visit, Henry ends up in a situation in having to change Vera's stinky nappy.
Episode 42
Henry is desperate to find the answer to a really gross question in order to win Gross Class Zero prizes.
Episode 43
Henry, Stuck-Up Steve and Rich Aunt Ruby go shopping to find Henry's Mum a birthday present.
Episode 44
Fang the Hamster has gone missing.
Episode 45
When Henry's Dad gets a new job across the country, Henry's family has to move away from Ashton.
Episode 46
Something fishy is going on with Margaret being the Magazine Queen! Henry and William attempt to find a scoop on the action.
Episode 47
Henry's Dad goes on an Antique show.
Episode 48
Henry and Dad build a Go-Kart ready for a big race.
Episode 49
Henry and Peter go with Prissy Polly, Pimply Paul and Vomiting Vera to see The Happy Hippos movie in the Cinema.
Episode 50
Henry is upset when Ed Banger starts singing "Nice" songs.
Episode 51
It's Take Your Child to Work Day again, and this time Mum is taking Henry.
Episode 52
Henry thinks his Winter Wish comes true when it snows.
Episode 53
Henry invades Moody Margret's Pirate Party.
