HBO is developing a decade-long ‘Harry Potter’ television series

'Harry Potter’ follows a young wizard’s battle against evil

The seven-book series traces Harry’s journey from an orphan discovering his magical heritage to confronting the dark wizard Lord Voldemort. Alongside friends Hermione and Ron, he faces loss, power, and moral choice in a world divided between good and evil.

'Harry Potter’ ranks among the highest-grossing film franchises in history

The eight Harry Potter films earned $7.7B worldwide, placing the series alongside Star Wars, Marvel and James Bond as one of the top-grossing movie franchises ever produced. Watch a comparison over time here.

'Harry Potter' became one of the most successful franchises in history

What began as a story written in cafés by an unknown author grew into a global phenomenon—spanning seven books, eight films, theme parks, and video games—reshaping modern popular culture.

'Harry Potter’ transformed the young adult publishing industry

The series’ success reshaped the market for youth fiction. In 1997, about 3,000 young adult titles were published annually. By 2009, that number soared to 30,000 as publishers chased the next major phenomenon.

Read JK Rowling's original 'Harry Potter' pitch that a dozen publishers rejected.

'Harry Potter and the Cursed Child’ became an award-winning stage play

Premiering in 2016, the play continues the story beyond the original books and has run in London’s West End and on Broadway, winning nine Olivier Awards and six Tony Awards, including best play.

Hogwarts Legacy was 2023’s bestselling video game

Set a century before the books, Hogwarts Legacy lets players explore an open-world version of the wizarding world. Released in 2023, it sold more than 30 million copies worldwide, topping global sales charts.

Go behind the scenes of the making of the ‘Harry Potter’ films

See a rare look at how the beloved series was brought to life—from set design and visual effects to interviews with cast and crew who shaped the wizarding world on screen.

JK Rowling first thought of 'Harry Potter' on a delayed train in 1990

The idea for a young boy discovering he was a wizard came to Rowling during a train ride from Manchester to London. Over the next seven years—while facing personal loss and financial hardship—she completed the first book as a single mother living on welfare.

The ‘Harry Potter’ franchise is valued at more than $32B

Combining book sales, films, theme parks, and merchandise, Harry Potter ranks among the world’s highest-grossing media franchises—estimated at more than $32B in total value, alongside giants like Star Wars and Marvel.

Four directors shaped the evolving tone of the ‘Harry Potter’ films

Across eight movies, Chris Columbus, Alfonso Cuarón, Mike Newell, and David Yates each brought a distinct vision—from early wonder to darker maturity—charting the series’ shift from children’s fantasy to coming-of-age epic.

'The Wizarding World of Harry Potter' brought the books to life in theme parks

Opened in 2010 at Universal Orlando, the immersive attraction recreates Hogwarts, Hogsmeade and Diagon Alley. Additional Wizarding World lands now operate at Universal parks in Japan, Hollywood, and Beijing.

Translating ‘Harry Potter’ required creativity across 60+ languages

This Vox video explores how translators adapted JK Rowling’s wordplay, invented spells, and cultural references—reimagining names and magical terms while attempting to preserve humor, rhythm, and meaning for readers around the world.

Listen to an academic analysis of the 'Wizarding World of Harry Potter'

Potterversity examines the Harry Potter series through an academic lens—inviting scholars from diverse fields to uncover new interpretations and deeper meanings within the book series.

'Harry Potter’ book launches became midnight cultural events with strict rules

As anticipation grew, bookstores worldwide hosted midnight release parties for new Harry Potter titles—drawing crowds in costume, complete with games and countdowns, transforming book launches into global celebrations of reading. Libraries and stores were required to adhere to strict regulations over who could handle the books before the official debut.

JK Rowling’s comments on transgender issues have sparked controversy and boycotts

Since 2019, Rowling’s public statements on gender and trans issues have prompted widespread backlash, leading many fans to attempt to distance her views from the Harry Potter series.

HBO is known for its adventurous original series

The premium network is known for groundbreaking shows like “The Sopranos,” “Sex and the City,” “The Wire,” “Game of Thrones,” Succession,” and more. Unlike traditional broadcast television, HBO shows were not bound by strict time limits, advertising, or FCC regulations, allowing for more creative freedom.

'Harry Potter' dominance led The New York Times to create a new bestseller list

In 2000, The New York Times introduced a separate bestseller list for children's books after Harry Potter titles occupied top spots on the main list for more than a year.

'Harry Potter’ inspired a real-life version of Quidditch

Created by college students in 2005, the broomstick-based sport became an international phenomenon with organized leagues and World Cup tournaments. Now called Quadball, it’s played in more than 40 countries worldwide.

25 things you might not know about ‘Harry Potter,’ from John Green

John Green runs through 25 lesser-known facts about “Harry Potter”—like how JK Rowling was the first person to become a billionaire solely by being an author.

Early reviews turned ‘Harry Potter’ into an unexpected hit

Though only 500 hardback copies of "The Philosopher’s Stone" were printed in 1997—and mostly sent to libraries, due to doubts it would sell—glowing reviews and word of mouth fueled a surge in demand. Within a year, the book had sold more than 70,000 copies in the UK.

MuggleNet became the internet's largest 'Harry Potter' fan community

Launched in 1999, MuggleNet attracted millions of readers with news, theories, and fan-fiction. It helped define early online fandom, later expanding into podcasts, books and events.

'Muggle’ entered the Oxford English Dictionary in 2003

The Harry Potter term for a nonmagical person became an official English word when the Oxford English Dictionary added it in 2003—cementing the series’ influence on modern language and popular culture.

MuggleCast is the original ‘Harry Potter’ fan podcast

Launched in 2005 by the creators of MuggleNet, MuggleCast offers weekly discussions, news and fan theories on Harry Potter. It quickly became one of the internet’s major fandom podcasts and still runs today.

'Harry Potter’ became the first kids' book to top the New York Times list since 1952

After its 1998 US release, "Harry Potter and the Sorcerer’s Stone" reached No. 1 on The New York Times Best Seller list—the first children’s book to do so since "Charlotte’s Web." By September 1999, the first three books held the top three spots on the list.

'Fantastic Beasts' expanded the film franchise with mixed results

Warner Bros. launched the "Fantastic Beasts" prequel series in 2016 to explore the wizarding world’s earlier history. Despite strong openings, later films saw declining box office returns and lukewarm critical reception.

The best HBO shows of all time

In addition to establishing the blueprint for TV in the 21st century, HBO has also been responsible for excellent comedies ("Veep"), talk shows ("Last Week Tonight with John Oliver"), and historical dramas ("Chernobyl").

Imagining how genetics works in 'Harry Potter' and how muggle-born Hermione is a witch

Dr. Robert Pyatt, director of Sanford Health’s medical genetics lab, talks through real-world genetics scenarios in the Harry Potter series, from the Weasley's red hair and freckles to why Hermione, a witch, could be born to "muggle"—or nonmagical—parents.

One 'Harry Potter' fan fiction deals with cognitive science and philosophy

Eliezer Yudkowsky's "Harry Potter and the Methods of Rationality" is not your typical fan fiction: It uses JK Rowling's fictional universe to wrestle with rationalist philosophy and the physics behind the magic taught at Hogwarts. The book went on to become popular in Silicon Valley, especially in the effective altruism movement.

Researchers found that reading ‘Harry Potter’ made children more tolerant

Psychological research showed that children and young adults who read Harry Potter developed greater empathy and more accepting attitudes toward marginalized groups.

HBO is credited for the rise of ‘prestige television’

“Prestige television,” sometimes referred to as “the golden age of TV,” is a critical term for serious, darker, auteur-driven television from the late 1990s through the 2020s. HBO shows are often cited as examples of this style, with “The Sopranos” evolving the style and developing a model for the form.

Rowling adopted initials to appeal to young male readers

At her publisher’s suggestion, Joanne Rowling used the pen name “JK Rowling,” believing boys might be less likely to buy a fantasy novel written by a woman.

The first ‘Harry Potter’ book was retitled for US readers

Scholastic changed "Harry Potter and the Philosopher’s Stone" to "Sorcerer’s Stone" in 1998, fearing the original title sounded too academic and might confuse American readers unfamiliar with the word’s magical meaning.

The network’s early days were focused on movies and sports

HBO launched in 1972, with an initial focus on commercial-free movies and sports events. The network’s first-ever broadcast was an NHL game between the New York Rangers and the Vancouver Canucks, signaling its commitment to premium, live content.

HBO's business model is based on driving the cultural conversation

HBO CEO Casey Bloys steered the network’s programming to critical acclaim and cultural relevance with hits like “Succession” and “The White Lotus.” Bloys discusses how the network’s programming evolved as it shifted toward streaming—and how the success of shows like “House of the Dragon” informs HBO’s future.

Researchers found that reading 'Harry Potter' made children more tolerant

Psychological research showed that children and young adults who read Harry Potter developed greater empathy and more accepting attitudes toward marginalized groups.

HBO's success inspired Showtime, AMC, Netflix, and more

HBO’s success in the early 21st century bred plenty of imitators, who were now more willing to embrace darker, more challenging series like “Weeds,” “Mad Men,” “Breaking Bad,” and “House of Cards.”

The most critically acclaimed HBO shows

HBO has released a long list of classic TV shows which have come to define the medium. This Rotten Tomatoes chart ranks HBO’s best series based on their aggregated critics’ scores, with classics like “The Sopranos” and “The Wire” joining newer hits like “Succession” and “Barry.” Check it out here.

The 'Wicked' movie is based on several previous ‘Oz’ adaptations

Gregory Maguire's novel "Wicked: The Life and Times of the Wicked Witch of the West," published in 1995, is based on"The Wonderful Wizard of Oz." It offers an adult-oriented retelling of the Oz story, focusing on Elphaba, the Wicked Witch of the West. The book was then adapted for the stage, which premiered on Broadway in 2003. The Broadway musical was then adapted for the screen—the first film in the series debuted in 2024.

'The Wizarding World of Harry Potter' sparked record theme park attendance

A Forbes analysis found Universal’s parks in Florida, Japan, and California saw average attendance growth of 32% after opening Wizarding World attractions, with Orlando’s Islands of Adventure—the home of the Wizarding World—rising 64.5% to 9.8 million visitors.

Breaking down what makes HBO different

The network took an early gamble on longer episodes and more complicated narratives than a standard television drama. That paid off and, in the process, created what we now consider "prestige TV."

A scientific analysis of famous time travel stories

This 8-minute video explores how time travel influences the narrative arc of several movies, books and video games, from Harry Potter to A Christmas Carol. (Warning: it contains spoilers!) J.K. Rowling and Charles Dickens set myriad parameters as they’re worldbuilding to avoid paradoxes and create quasi-logical timelines. By drawing diagrams as he’s speaking, the video breaks down how time works in some of popular culture’s most beloved fictional universes.

Visualizing the highest-grossing movie franchises from 1979 to 2019

A few dozen major movie franchises have dominated the box office in recent decades, including "Star Wars," "Harry Potter," "Lord of the Rings," and Marvel. This video shows the change from quarter to quarter in gross revenue for each movie franchise over the decades.

Before it became the home of 24-hour prestige TV, HBO used to sign off each night.

HBO Max's 'The Pitt' has found success with an old-school, broadcast-TV production model that harkens back to weekly dramas that mostly disappeared during the streaming era.

Fan fiction has slowly become a part of mainstream publishing

In 2025, the SenLinYu fantasy novel "Alchemised," which began as "Harry Potter" fan fiction, became a bestseller after being traditionally published; its movie rights were sold for over $3M. The mainstreaming of the genre is due to a combination of factors, including publishing's interest in the hard metrics that fan fiction websites provide.

How quidditch brought a Ugandan school to life

The world phenomenon of Harry Potter inspired millions of kids to read. The books, and the make-believe game quidditch (played by the hero), have inspired a real-life sport called Quadball, based on the fictional game involving flying broomsticks. Teacher John Ssentamu brought the game to his town of Katwadde in Uganda to bring kids—long absent from school—back to receive an education. A documentary crew filmed them playing in an inspiring story of education and community.

'Potter Puppet Pals' was one of the internet’s first viral videos

Created by animator Neil Cicierega in the early 2000s, Potter Puppet Pals featured felt puppets parodying the Harry Potter characters. Its 2007 video “The Mysterious Ticking Noise” became an early YouTube sensation, amassing more than 200 million views.

Dystopian books have grown especially popular with younger audiences

In the late 2000s, Suzanne Collins’s dystopian "The Hunger Games," a young adult book series where impoverished children are pitted against one another for entertainment, spent over five years on The New York Times bestseller list.

HBO inspired Netflix and vice versa

Netflix's pivot towards original, prestige content would not have been possible if HBO had not blazed that trail decades earlier. Ironically, HBO later used Netflix as a business model when reinventing itself as a streaming app.