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Horrid Henry – Complete Guide to Books, TV Series and Characters

Oliver Freddie Clarke Murray • 2026-06-14 • Reviewed by Daniel Mercer

For over two decades, the name Horrid Henry has been a staple of children’s entertainment, synonymous with mischievous pranks, sibling rivalry, and chaotic adventures. What began as a simple book idea from author Francesca Simon has grown into a multi-platform franchise, spanning over 250 television episodes and a feature film. This guide explores the history of the character, the books, the animated series, and the main cast of characters, answering the most common questions fans and parents have today.

Who Is the Author of Horrid Henry?

The Horrid Henry book series was created by British-American author Francesca Simon. The first book was published in 1994, and Simon’s official website confirms her status as the bestselling author of the franchise. Each book in the series typically contains four short stories, and over the years the collection has expanded into dozens of volumes featuring the character’s many adventures.

The books are illustrated by Tony Ross, whose distinctive style brought Henry and his world to life on the page. Simon has stated that the character of Henry was inspired by her own childhood and a desire to create a “good child / bad child” contrast. She has clarified that Henry does not age in the books and remains roughly eight years old throughout the series.

According to an interview with Gulf News, Simon initially wrote a single story about Henry before deciding to write more, eventually building it into a full series. The collection has sold millions of copies worldwide and been translated into numerous languages.

What is Horrid Henry about?

The books follow a troublesome young boy, Horrid Henry, as he schemes and causes chaos at home and at school. His polite younger brother, Perfect Peter, serves as his constant foil. The stories are humorous and lighthearted, focusing on Henry’s failed plans or unexpected successes.

  • Author: Francesca Simon, illustrated by Tony Ross
  • TV Series: 5 seasons (2006–2019), 250+ episodes
  • Main Characters: Henry, Peter, Margaret, Moody Margaret, Sour Susan, and more
  • Movie: Horrid Henry: The Movie released in 2011

Key Insights About the Franchise

  • Horrid Henry is a globally recognized children’s brand spanning over 25 years of books and a long-running animated series.
  • The character Margaret appears both as “Moody Margaret” (a distinct character) and in other contexts; this often causes confusion.
  • Despite fan questions, there is no official season 6; the series concluded with season 5 in 2019.
  • The last episode is widely considered to be “Horrid Henry: The Great Escape” (part of season 5).

Horrid Henry at a Glance

Fact Detail
First book published 1994 (Horrid Henry)
TV series debut 2006 on CITV
Number of seasons 5 (series 1–5)
Total episodes Approximately 250 (including specials)
Streaming availability Netflix (select regions), YouTube official channel
Author Francesca Simon
Illustrator Tony Ross

What Are the Main Horrid Henry Characters?

The franchise is built around a small but memorable cast of characters. At the center is Horrid Henry himself, a boy who delights in causing trouble. His foil is his younger brother Perfect Peter, who is polite, tidy, and adored by their parents. These two characters form the core dynamic of the series, with Henry often attempting (and usually failing) to get the better of Peter.

Other key characters include Moody Margaret, Henry’s rival at school and his neighbor; Rude Ralph, his best friend and partner in mischief; Sour Susan, Margaret’s friend; and Miss Battle-Axe, the strict teacher at Henry’s school. Henry’s parents are simply known as Mum and Dad, and the family pet is a grumpy hamster named Fang.

Who Is Peter in Horrid Henry?

Peter is Henry’s younger brother, often called “Perfect Peter” by their parents. He is well-behaved, loves school, and keeps his room tidy. Peter frequently gets Henry into trouble, though usually unintentionally, just by being himself.

Who Is Margaret in Horrid Henry?

There are two characters named Margaret in the franchise. Moody Margaret is Henry’s bossy neighbor and primary rival at school. She is a strong-willed girl who often competes with Henry. The other Margaret is a friend of Perfect Peter, and she appears less frequently. This dual usage leads to occasional confusion among viewers. For a similar look at another major media franchise, check out Severus Snape – Complete Biography and Character Guide.

How Many Seasons and Episodes of Horrid Henry Are There?

The animated TV series is based on the books and aired on CITV from 30 October 2006 to 17 May 2019. According to Wikipedia – Horrid Henry TV series, the show ran for a total of approximately 250 episodes (including specials) across five seasons. Episodes are largely adapted from the short stories in the books, especially in the earlier seasons.

The series is available on Netflix UK in select regions, and full episodes are regularly uploaded to the official Official Horrid Henry YouTube Channel.

What Is the Last Episode of Horrid Henry?

The final season of the show is season 5, which aired in 2019. While there is no official designation for a series finale, fan consensus points to a special titled “Horrid Henry: The Great Escape” as the last episode.

When Is Horrid Henry Season 6 Coming Out?

There is no season 6. The series concluded after season 5 in 2019. Search queries for “season 6” likely stem from confusion about compilation episodes or re-releases on YouTube, but the network has not announced any new seasons.

What Is Horrid Henry Double Trouble?

This refers to a specific story from the book series and an episode of the TV series. In “Double Trouble,” Henry attempts to avoid punishment by creating a double of himself, leading to chaotic misunderstandings.

A note on episode counts

The exact number of episodes varies slightly by source. Wikipedia cites 250+ episodes, but a definitive official count is not available. The show ran for 5 seasons without a formal series finale announcement.

Is There a Horrid Henry Movie?

Yes. A live-action film titled Horrid Henry: The Movie was released in UK cinemas in 2011. According to sources on TV Tropes, the plot involves Henry and his friends working together to save their school from a cruel private-school principal.

The film is a live-action adaptation rather than an animated one, which sets it apart from the TV series. Francesca Simon, the author of the books, has stated publicly that she had no involvement in the film and was unhappy that it was not faithful to her original stories.

Timeline of Horrid Henry Milestones

  1. 1994 – First Horrid Henry book published
  2. 2006 – TV series premieres on CITV (UK)
  3. 2011Horrid Henry: The Movie released in UK cinemas
  4. 2014 – TV series season 4 airs
  5. 2019 – TV series season 5 airs (final season)
  6. 2020+ – Continued syndication, streaming, and new book releases

What Is Known and What Remains Unclear?

Established Information Information That Remains Unclear
Horrid Henry is a book series by Francesca Simon; there is no single “Horrid Henry book” – it’s a series. Exact number of episodes varies by source; Wikipedia lists 250+ but not a definitive count.
A Horrid Henry movie exists (2011), though not widely known. The “last episode” is not officially designated; fan consensus points to a special from season 5.
The TV series ended after season 5; season 6 does not exist. Whether new books will continue to be published is not officially confirmed.

Why Does Horrid Henry Remain So Popular?

The series’ enduring appeal comes from its relatable protagonist. Henry is a mischievous child who isn’t truly bad, just full of energy and ideas. The slapstick humor and clear moral lessons (Henry usually faces consequences for his actions) resonate with both children and parents. The books have been translated into many languages, and the animated series has been broadcast in countries around the world.

Some of the confusion around the franchise – such as searches for “season 6” or the question of “Moody Margaret vs. Margaret” – arises from the series’ long run and the way episodes are packaged for streaming. The official YouTube channel often uploads compilation videos that may be mistaken for new seasons.

Sources and Key Quotes

“I wanted to create a character that children could laugh at, not aspire to.”

– Francesca Simon, as reported in The Guardian

“Henry is skilled at making trouble, from babysitting pets in his bedroom to starting a shark panic at the swimming pool.”

– Netflix description

“Horrid Henry is a British animated children’s television series based on the British children’s book series Horrid Henry by Francesca Simon.”

– Wikipedia

Summary: The Lasting Impact of Horrid Henry

Horrid Henry remains one of the most successful children’s franchises in the UK, spanning books, a television series, and a film. The character’s mischief, humor, and the classic sibling dynamic with Perfect Peter continue to entertain new generations. For those wondering what comes next, no new TV seasons are on the horizon, but Francesca Simon continues to write new books, and the official YouTube channel regularly posts compilation specials. For a similar look at another major media franchise, check out Severus Snape – Complete Biography and Character Guide.

Frequently Asked Questions About Horrid Henry

What is Horrid Henry about?

Horrid Henry is a mischievous young boy who constantly plots tricks and causes chaos, much to the dismay of his parents and teachers. The books and TV series follow his humorous adventures.

Who is Peter in Horrid Henry?

Peter is Henry’s younger brother, often called “Perfect Peter” by their parents. He is well-behaved, tidy, and loves school, serving as Henry’s foil.

What is Horrid Henry Double Trouble?

It is a book and an episode in the TV series where Henry tries to avoid trouble by creating a double of himself.

Where can I watch Horrid Henry episodes?

Full episodes and compilations are available on the official Horrid Henry YouTube channel and select seasons on Netflix.

How many Horrid Henry episodes are there?

The series ran for approximately 250 episodes across 5 seasons, airing from 2006 to 2019 on CITV.

Is there a Horrid Henry movie?

Yes, a live-action film called Horrid Henry: The Movie was released in 2011.

Will there be a Horrid Henry season 6?

No. The series concluded with season 5 in 2019, and there are no plans for a new season.

Who wrote Horrid Henry?

The books were written by Francesca Simon and illustrated by Tony Ross. The first book was published in 1994.

Who is Moody Margaret?

Moody Margaret is Henry’s bossy neighbor and rival at school. She often challenges Henry and forms her own club.

Who is the voice of Horrid Henry?

In the animated series, Horrid Henry is voiced by actress Lizzie Waterworth-Santo.

Additional sources

midtpunktet.com

Oliver Freddie Clarke Murray

About the author

Oliver Freddie Clarke Murray

We publish daily fact-based reporting with continuous editorial review.