Merlin plays a modern-day villain in Roger Zelazny's short story " The Last Defender of Camelot " ( 1979 ), which won the 1980 Balrog Award for short fiction and was adapted into an episode of the television series The Twilight Zone in 1986.

In the 1967 episode Merlin, the Magician from the TV show The Time Tunnel, Merlin is portrayed by Christopher Cary.

The Doctor Who episode Battlefield suggests that Arthurian legend in our world is influenced by actual events in a parallel world, and that the Doctor is himself Merlin.

Ashley Cowie, Scottish author, historian, and archaeologist, and his team search the U. K. for treasures said to have been hidden away by Merlin in the 5th episode of season 1's " Legend Quest ".

The P51 Mustang was the subject of a 30 minute episode entitled " The Cadillac of the Skies " in reference to its exceptional performance and how it started off as a British purchase as a low level attack fighter into the powerful long range bomber escort that it would eventually become in the Air War in Europe through a combination of being fitted with the Rolls Royce Merlin and the fitting drop tanks that allowed to escort the bombers of the United States 8th Air Force all the way into occupied Europe and back.

* In the fourth season episode " Lancelot du Lac " of the BBC series Merlin, Morgana uses necromancy to bring the knight Lancelot back from the dead in order to interfere with the pending marriage of King Arthur and Guinevere, thereby preventing Guinevere from becoming queen.

* The " Valiant ", the second episode in the first series of the BBC's Merlin, features a Knight Valiant who dishonourably uses an enchanted shield and dies in a duel with Arthur during the tournament finale.

The closest there was to a main villain was Mogdred ( portrayed by John Woodnutt ), but his main duty was, according to Merlin ( a wizard, and Mogdred's ' alter ego ' in the first series ) in the penultimate episode of Series 2, to " scare you into making a mistake ", though he did kill two dungeoneers, one in Series 2 and another early in Series 4.

In the 2008 episode " The Beginning Of The End " of the BBC television series Merlin, a prequel to and re-imagining of the Arthur legends, Mordred appears as a young Druid boy whom Merlin protects despite being warned that he would one day kill Arthur.

In series 2, episode 9 of the BBC drama series Merlin, the episode is named The Lady Of The Lake.

However, the only link to the legend is the fact that at the end of the episode where Freya is dead, Merlin sends her adrift in a lake, making her the Lady of the Lake.

* " Sweet Dreams " ( Merlin ), an episode

One notable example occurs in the fifth episode of season three, in which the hero Merlin has a vision that Morgana is going to kill King Uther Pendragon.

* Most of the discussion in episode 21 of the comedy podcast " Roderick On The Line " centers around hosts Merlin Mann and John Roderick ( musician ) discussing the variety and options available for purchasing a RealDoll.

* Lancelot ( Merlin ), an episode of the 2008 BBC TV series

* In the UK TV series Merlin episode " Changeling ", Arthur almost marries a princess who turns out to be a changeling, however, in this case, the changeling is the actual princess who has been possessed at birth by a fairy, not replaced by one.

" Lamia " is the title of a 2011 episode of the BBC TV series Merlin.

The Fisher King also appears in a series 3 episode of the BBC's Merlin.

* Merlin ( 2010 ) – Grunhilda in episode " The Changeling "

In an early episode based clearly on the story of Arfderydd, Peredur ( Peredurus ) is joined by his allies Merlin, king of the South Welsh, and Rhydderch, king of the Cumbrians, when he engages Gwenddolau ( Guennolus ), king of Scotland, in a battle at an unnamed site.

Puzzlewood was used as a filming location for two episodes of BBC TV show Merlin, " The Labyrinth of Gedref " and " The Nightmare Begins ", and also the 2010 Doctor Who episode " Flesh and Stone ".

As an ambidextrous golfer, card player, marksman and pool shark, his skills and reputation were compared to " Merlin himself ".

In the second cycle Merlin discovers cards which he refers to as " Trumps of Doom ".

There are many places surrounding Carmarthen with names associating it with Merlin such as Bryn Myrddin, " Merlin's Hill ".

This interpretation is followed by Lerner and Loewe in the musical Camelot ; Nimue lures Merlin away with the song " Follow Me ".

After the twenty-eighth chapter book, Mary Pope Osborne started a second series called the Magic Tree House " Merlin Missions ".

John James Audubon illustrated the Merlin in the second edition of Birds of America ( published in London, 1827 – 38 ) as Plate 75, under the title, " Le Petit Caporal – Falco temerarius ".

" featuring British emcee Merlin, containing the disc " Watch Out, Tyree — we come faster, this is the sound of the true Beatmasters ".

In the prose version of Robert de Boron's Merlin, the name of Uther's elder brother Ambrosius is given as " Pendragon ", while Uter ( Uther ) changes his name after his brother's death to " Uterpendragon ".

Geoffrey of Monmouth recounts the Myrddin Wyllt legend in his Latin Vita Merlini of around 1150, though here the figure has been renamed " Merlin ".

He was later elected to the Legislative Assembly, sitting at the far left, and forming with Claude Bazire and Antoine Christophe Merlin the " Cordelier Trio ".

* Prophetiae Merlini: Geoffrey presented a series of apocalyptic narratives as the work of the earlier Merlin who, until Geoffrey's book came out, was known as " Myrddin ".

She has appeared as the evil sorceress Nimueh in the 2008 BBC TV series Merlin, and as Lady Christina de Souza in the Doctor Who episode " Planet of the Dead ".

However, because she must use " stored power " ( a diesel engine ) to move, Alfa Romeo II, sailing in the " unlimited " class, was not eligible for the traditional " Barn Door " trophy, but instead was the inaugural winner of a new trophy dedicated by Trisha Steele, called the " Merlin Trophy ".

One of the more famous Wardens of this institution at the time was Dr John Dee, known as " Queen Elizabeth's Merlin ".

She then bids Merlin farewell, saying that her sister Mab was right about one thing, " When we're forgotten, we cease to exist ".

The Doctor, Ace and Shou Yuing find the knight, Ancelyn, who wakes to recognize the Doctor as " Merlin ".

William Shakespeare and " The Birth of Merlin ".

* John Joseph Merlin, " The Ingenious Mechanick ".

To this day, it is known in Greece as " Merlin ".

Matthew Walker guest-starred as the hologram of Merlin, and previously portrayed another Ancient named Moros in the Stargate Atlantis episode " Before I Sleep ".

The protagonist of this story is a boy named Myrddin Emrys, also known as Merlin, which is the Welsh form of the word " falcon ".

As he rises within the Circus, Haydon ( code-named " Gerald ") introduces a new ( and ultimately bogus ) Soviet intelligence source called " Merlin ", the product of the source being termed " Witchcraft ".