A. A. Attanasio: The Dragon and the Unicorn, The Eagle and the Sword, and The Wolf and the Crown.
Derek Benz and J. S. Lewis: The Revenge of the Shadow King reveals an alternate history of Arthur who was betrayed and murdered by his half-sister Morgan le Fay, who is portrayed as an evil immortal being known as the Black Witch, for possession of a sacred book which had been passed down father-to-son for thousands of years. In this case, Arthur was betrayed when he refused to pass the book on to his illegitimate son. The book was passed to Arthur's true son, and from Arthur's son came the Knights Templar.
Marion Zimmer Bradley: The Mists of Avalon is the classic of modern reinterpretations of the Arthurian legend through the points of view of powerful women behind Camelot, namely Morgaine, Gwenhwyfar, and Morgause.
Molly Cochran and Warren Murphy: The Forever King is a trilogy of books set in modern day about a boy who is King Arthur reincarnated and his protector Hal, a former police officer who is the reincarnation of Galahad.
Peter David's Knight trilogy depicts Arthur reappearing in the modern-day world. In the first novel, Knight Life, Arthur emerges from his thousand-year convalescence that followed the wound he sustained from Mordred to run for mayor of New York City. In One Knight Only, he faces another epic hero for possession of the Holy Grail. In Fall of Knight, the villain Arthur encounters is a person from actual history, who possesses the Spear of Destiny, and wants to use it to destroy the Earth.
David Drake: The Dragon Lord, a somewhat unconventional story involving a "King Arthur" who is more great military general than quasi-enchanted king; it takes place shortly after the fall of the Roman Empire and long before the Age of Chivalry.
Alan Fenton: The Return of Arthur, a two-part series which reinterprets the Arthurian legend in modern day, with a backdrop of global terrorism and war.
Robert W. Fuller: The Rowan Tree, a political novel that casts the Arthurian legend in a modern historical setting.
David Gemmell: Ghost King (1988), Last Sword of Power (1988), The entire series deals with the Stones of Power, also known as the Sipstrassi. The first two books contain a re-imaging of the Arthurian legend.
The several books by Norma Lorre Goodrich are very popular, but are based on a poorly received analysis of Arthurian legend and medieval history. She asserts he was a borderlands king whose activity centred around the Roman walls and wall forts.
Stephen King: The Dark Tower VI: Song of Susannah reveals that the hero of King's spaghetti-western/fantasy/sci-fi magnum opus adventure series, Roland, is one of only two of King Arthur's surviving descendants. The version of Arthur in Roland's world is known as Arthur Eld, and was the founder of the order of Gunslingers, knightly warriors who wield revolver pistols in the name of justice; Eld's own guns were reportedly forged from the metal of Excalibur itself.
J. Robert King: Mad Merlin, Lancelot Du Lethe, A retelling of the Arthurian legend from the perspectives of Merlin and Lancelot rather than on the usual Arthur, King weaves his tale by combining bits of folklore and mythology with both sheer invention and historical fact. Merlin is actually the god Jupiter.
Garth Nix: Contained in Nix's collection Across the Wall are two stories that present a different take on the Arthurian legends: "Under the Lake", a short story that portrays the Lady of the Lake as a parasitic, monstrous creature, and "Heart's Desire", which tells of Merlin and his apprentice Nimue, and the ultimately doomed relationship between them.
Mary Stewart's Merlin books: The Crystal Cave sets up the background for the Arthurian legend. The Hollow Hills encompasses most of Arthur's lifespan, including his childhood with Merlin as his tutor. The Last Enchantment deals with Merlin's later life, against the continued background of Arthur's rule. A later book, The Wicked Day, was written from the point of view of Mordred in the latter period of Arthur's rule, and provides an interesting counterpoint to the original three novels.
The Sword in the Stone, a 1963 Disney animated film about Arthur's childhood, loosely adapted from T.H. White's take on the legend.
Camelot, a 1967 film adaptation of the successful 1960 Broadway musical of the same name, in turn heavily based on the last three of T.H.White's quartet of novels. It starred Richard Harris as Arthur, Vanessa Redgrave as Guenevere, and Franco Nero as Lancelot.
Quest for Camelot is a 1998 animated feature with King Arthur ruling over a besieged Camelot.
King Arthur, a motion picture released on July 7, 2004, claiming (despite being heavily criticised for its historical inaccuracies) to be more historically accurate about the legend of Arthur as a 5th-century, British-born, Roman commander, with respect to new archaeological findings; similar in story line to Jack Whyte's books.
Merlin and the Book of Beasts 2009 Laura Harris plays the daughter of Guenevere and Arthur. She must defeat Mordred her half brother and his book of beasts.
The 2004 History Channel special Quest for King Arthur, hosted by Patrick Stewart, with an introduction by Ioan Gruffudd, highlights several historical figures who may have contributed to Arthurian legend. It was shown on the History Channel just prior to the release of the film King Arthur (2004), which featured Gruffudd as the character Lancelot and doing a voice-over introduction. The obvious tie-in was to assert the historical accuracy of the film.
The 1950s British television series The Adventures of Sir Lancelot, based around the knight's exploits, featured Arthur and many other characters from the legends. This was the first British television series ever to be made in colour (although surviving episodes are in black and white) and one of the first to be aired by an American network.
The 1970s British television series, Arthur of the Britons, starring Oliver Tobias, sought to create a more "realistic" portrait of the period and to explain the origins of some of the myths about the Celtic leader.
The French series Kaamelott features a humorous take on the legend.
The 2008 BBC series Merlin is a reimagining of the legend in which the future King Arthur and Merlin are young contemporaries, however Arthur's father Uther Pendragon has banned magic in Camelot on pain of death. It showed the growth of King Arthur from a young, self-absorbed boy to the mighty king we all know as well as Merlin's colossal role in the creating the powerful Camelot. It was immensely popular and very well received by the public. It ran for five seasons and ended in December 2012, with a total of 65 episodes.
Camelot is a series on Starz that debuted April 1, 2011. It begins at the very earliest story, with twenty year-old, long lost son Arthur being crowned king after half-sister Morgan poisons their father King Uther. A more adult-oriented take on the Arthurian legends than the concurrent series Merlin, it was cancelled after one season.
The ABC series Once Upon a Time considers Camelot one of the show's realms. Lancelot has been seen on the series and King Arthur, Excalibur, Merlin, and Guinevere have all been referenced.
The series Hercules: The Legendary Journeys season 5 featured an episode "Once Upon a Future King," in which an old Merlin sends a ruthless Arthur 1000 years back in time so that Hercules (accompanied by a young Merlin and Morrigan) can teach him the virtue needed to be a good king.
The animated series The Legend of Prince Valiant followed the adventures of three young warriors training to become Knights of the Round Table. Originally aired in the early 1990s, it featured Arthur, Merlin, Guinevere, and Gawain in its main cast and several other Arthurian characters in recurring roles.
The animated series King Arthur & the Knights of Justice premiering in 1992 featured an American Football team called the Knights led by quarterback Arthur King. When the "real" Knights of the Round Table are captured, Merlin magically transports the Knights football team to Camelot to defend the kingdom and rescue the captured knights. The show was cancelled in 1993.
In the Japanese anime adaption of the visual novel Fate/stay night, Arthur is portrayed as having been a woman (named Arturia) whose spirit is resurrected to serve a mage in the modern day with history recording her as a man for political correctness. She reprises this role in Fate/zero.
In 1937, a newspaper comic strip by Hal Foster, Prince Valiant was first published, with the byline "In the Days of King Arthur". Since the death of Foster in 1982, John Cullen Murphy has continued producing this comic strip.
DC Comics uses King Arthur's Camelot as a recurring piece of its fictional history, and there have been "several Arthurs," including a pagan general in Roman Britain, and a medieval Christian mystic. The various Arthurs were served by various versions of the character Shining Knight while The Demon, under the control of Merlin, defended Camelot during its final days.
In Marvel Comic's New Excalibur series, King Arthur and his entire court is depicted when the team of mutants travels back in time to aid Black Knight during his years as a member of Arthur's Court. During the mission, Peter Wisdom advertently causes Guinevere and Lancelot into committing their affair behind Arthur's back.
Several comic book titles have explored the "Once and Future King" aspect of the legend by bringing Arthur and his knights back from the dead at the time of Britain's greatest need. Arthur and company re-emerge to battle an alien menace in AD 3000 in Camelot 3000.
The role-playing gamePendragon details how to run adventure games set in the time of the Round Table. Its setting integrates Malory with post-Roman Britain, Celtic myth and English Folklore.
In Rifts from Palladium Books, the main story of Britain revolves around the future equivalent of King Arthur and his knights. It should be noted that this is not the original King Arthur awoken from Avalon and he has many different characteristics and strengths, not the least of which is his new blade, Calibur-X, a vibrating gun blade with magical properties.
The King Arthur Supplement for the GURPS role-playing game gives three different Arthurian settings, a historical setting based upon post-Roman Britain, a legendary setting based upon Malory, and a cinematic setting based upon modern stories.
In Final Fantasy VII, the final and most powerful summon materia is Knights of the Round which has 12 knights striking an enemy with the last knight obviously being King Arthur through his extended entrance and grander appearance.
The visual novel/eroge and animeFate/stay night features a young female knight called Saber whose true name is Arturia. She became King by pulling free the sword from the stone. Knowing that armies wouldn't follow a woman, she renamed herself King Arthur and used Merlin's magic to hide her gender.
The prequel Fate/Zero features not only the above King Arthur/Saber, but also Lancelot as a Black Knight under the class Berserker. The spinoff game Fate/extra features Gawain as an enemy-exclusive Saber-class character.
In the MMORPGRuneScape, King Arthur and the Knights of the Round Table are portrayed as having settled in the game's fictional world while awaiting Britain's 'time of greatest need'.
The Wii game Sonic and the Black Knight features the main protagonist, Sonic the Hedgehog saving the city Camelot from King Arthur after he becomes corrupt and calls himself the Black Knight. After defeating the Black Knight/King Arthur, Merlin's granddaughter Merlina reveals to Sonic & the Knight of the Roundtable that the King Arthur they knew was a fake created by her grandfather. In the end, Sonic was revealed to be King Arthur himself, as Caliburn (actually Excalibur) said he was the one who decides who is worthy of the crown.