Episode 1
Mum keeps Henry's comic when he has to do chores.
Episode 2
Henry completes a difficult quiz to win Gross Class Zero tickets.
Episode 3
Henry does his homework, and for real this time.
Episode 4
Soggy Sid thinks that wearing warm winter clothes is not appropriate for the snow.
Episode 5
Henry makes a hit song but becomes annoying when loads of people want to join in.
Episode 6
Henry's yoyo is confiscated, so how can he get it back?
Episode 7
Mum says that Fang is "So Not a Hamster". However, he soon proves himself when Henry has trouble with sorting socks.
Episode 8
Henry is having a really bad day, until Great Aunt Greta and Doddery Donald come round for lunch.
Episode 9
Henry learns that data can be dangerous when Peter becomes Chief Secretary of the Purple Hand Gang.
Episode 10
Henry imagines if his parents were Perfect, but soon regrets it.
Episode 11
Henry searches for a missing sock with big help from Vera.
Episode 12
Margaret thinks Henry stole her mobile mirror.
Episode 13
Henry borrows Ralph's phone and it gets confiscated.
Episode 14
Rude Ralph is missing, and Henry is desperate to find out where he's gone.
Episode 15
A competition between Peter and Henry happens when Henry becomes a recycling ambassador.
Episode 16
Henry gives all his toys away so he can visit toy heaven.
Episode 17
Peter encourages Henry to rewrite the Purple Hand Gang rules to make everyone happy.
Episode 18
Henry and Margaret go to war to create a new motto for the school.
Episode 19
Henry is not ready for school on the first day of term.
Episode 20
Henry is late for school and everywhere is locked.
Episode 21
Henry wonders why he is taken the blame for everything.
Episode 22
Henry invents a 'Purple Pass'.
Episode 23
Peter is desperate to meet the author who wrote stories about a character called Mr. Tiddler.
Episode 24
Henry explains why he held hands with Margaret at "Our Lady Giddiantus" in his own movie.
Episode 25
Peter solves a mystery about a hashtag.
Episode 26
Getting tired of being punished for little things by Miss Battle-Axe, Henry decides to go on strike.
Episode 27
Moody Margaret decides to become a president of the free world and Henry is excited to have her out of his life.
Episode 28
After the school play is cancelled, Moody Margaret refuses to accept defeat.
Episode 29
Henry gets a Gross Class Zero cushion.
Episode 30
Henry isn't impressed that it's his birthday again.
Episode 31
Henry wonders if Dad is overworking himself.
Episode 32
Henry thinks that he is going on holiday to somewhere exciting and realistic but ends up somewhere very boring.
Episode 33
King Henry and his team go on a mission to save something.
Episode 34
Margaret decides to 'change the game'.
Episode 35
Henry's classmates swap personalities from other people's.
Episode 36
Henry wonders how everyone's morning has been.
Episode 37
Henry doesn't get a message, or does he?
Episode 38
A competition goes on with Henry and Margaret in regards to the Zero Zombies.
Episode 39
Mr. Soggington makes up a 'Detention Club' on the weekend for people who need detention. It then becomes fun with a good story.
Episode 40
Henry and Ralph plan a very powerful raid.
Episode 41
When Henry brings Vomiting Vera into school, she proves handy when Goldilocks, Soggy Sid's fish - goes missing.
Episode 43
A Math test is coming up, and Henry doesn't know what to do.
Episode 44
Is Henry Too Cool For School?
Episode 45
A boodle poodle moves into Margaret's.
Episode 46
Henry teaches the viewers and Margaret how to be horrid.
Episode 47
Henry writes a list of his Top Ten Things.
Episode 48
Henry and Ralph become teachers for the day.
Episode 49
Miss Battle-Axe is acting very weird and Henry and his classmates see if Miss B has been controlled by an evil mastermind.
Episode 50
A song is coming on.
Episode 51
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!
Episode 52
Henry discovers what love is.