193 Back In Time » by Emma Winslow When Snatchers arrive and the trio end up in Malfoy Manor, Hermione steals a Time-Turner and uses it, only to find herself in the ancient kingdom of Camelot, still under King Uther's reign. Under the identity of a Princess, she finds help from a surprisingly young Merlin and the court physician, Gaius. But when a witch falls for a prince, the story becomes utterly complicated...
T, English, Fantasy & Romance, chapters: 27, words: 83k+, favs: 315, follows: 249, updated: 4h published: 6/26/2012, Hermione G., Arthur
15 The Sorcerer's Stone » by pumpkinmoose22 Having an immortal alias seemed like a great idea until Merlin receives word that everything he's built in the last six centuries could be in danger. A dark force has decided to creep towards Hogwarts in the shadows and it's up to Merlin and Dumbledore to protect the Sorcerer's Stone - but they might not be the only ones trying to do so.
T, English, Fantasy & Adventure, chapters: 4, words: 28k+, favs: 34, follows: 57, updated: 6h published: 9/11, Albus D., Perenelle F., Newt S., Merlin
48 The Hogwarts Princess » by OverTheLuna What would have happened if Morgana Pendragon had attended Hogwarts School of Witchcraft and Wizardry? What house would she have been in? And would Uther ever find out?
K+, English, Adventure & Fantasy, chapters: 26, words: 27k+, favs: 26, follows: 32, updated: 20h published: 6/7/2012, Morgana
11 First Year » by dyingcowlaugh A story following Merlin as he begins his first year at Hogwarts School of Witchcraft and Wizardry.
T, English, Friendship & Fantasy, chapters: 5, words: 15k+, favs: 16, follows: 30, updated: 10/21 published: 8/10, Merlin
4 The Order of Merlin » by Carver Twain (Merlin x Harry Potter Crossover: Founders Era) Until a letter from Hogwarts, Merlin was simply an odd boy in a quiet village. So, he makes the long journey to the new magic school in the north. There he finds kindred spirits: wizards and witches. He thrives. He learns. Years later, a young, fully trained wizard arrives in Camelot with a distrust of muggles, but nowhere else to go.
T, English, Adventure & Fantasy, chapters: 4, words: 16k+, favs: 13, follows: 20, updated: 10/20 published: 7/4, Rowena R., Merlin, Hunith
The real history by farfarfaraway Four Hogwarts students discover the real history of magic, and meet some historical figures along the way.
K, English, Adventure, words: 256, 10/20
6 Thranduil's Beauty Parlor and Hair Salon » by Boudicca1 There is rumoured to be a clandestine society whose meetings are shrouded in mystery, where the most admired members of legends gather to bemoan the ineptitude of their colleagues, and confer with one another about matters most mysterious. Or, all of the characters with perfect hair get together and talk about how amazing their hair is. WTNV, LOTR, Merlin, HP, and DW characters.
K, English, Humor & Parody, chapters: 2, words: 693, favs: 13, follows: 4, updated: 10/19 published: 9/26/2014, Lucius M., Gwaine
15 Harry's Boring Day » by HawkDramione For once in his life, the trouble didn't go knocking on Harry's door, but the Boy Who Lived went seeking trouble by himself. It would be good if he didn't accidentally drag Hermione in his mess also.
K, English, Humor & Adventure, chapters: 9, words: 10k+, favs: 41, follows: 72, updated: 10/16 published: 7/18/2016, Harry P., Hermione G., Merlin, Arthur
4 In the Hearts of Men » by raienetta Excaliber has been discovered, by Muggle archaeologists. Morgana Pendragon has caused the Once and Future King to rise. Merlin has been called to help a boy named Harry Potter defeat a wizard who is harming the world. And the Great Dragon is used for a tournament where he is believed to be a feeble-minded wyvern.
T, English, chapters: 2, words: 3k+, favs: 15, follows: 24, updated: 10/14 published: 10/7, [Draco M., Harry P.] [Arthur, Merlin]
1 The Gryffindor Keeper and the Sorcerer » by Impala73 On the train to Hogwarts Arthur Pendragon meets a quirky dark haired boy and they hit it off, but over time they drift apart, until they get drawn back together and reignite what they had, maybe it could even become more? (Yes, there will be Merthur!)
T, English, Friendship & Romance, chapters: 8, words: 13k+, favs: 7, follows: 16, updated: 10/12 published: 9/3/2016, Morgana, Merlin, Arthur, Gwen/Guinevere
79 Saving Albion » by pumpkinmoose22 The first step towards Albion in the modern age is about to commence but evil can no longer stand by in the shadows. Harry, Ron, and Hermione must travel to the past to save their friends from a fate Destiny never wished them to have. Can they reunite and save Camelot or is the past and future doomed forever? Find out in the final story of the Loss and Light trilogy!
T, English, Adventure & Friendship, chapters: 18, words: 127k+, favs: 49, follows: 62, updated: 10/7 published: 6/13
474 Harry Potter and the Once and Future King » by Sorceressoftheshire As Harry Potter starts his fifth year at Hogwarts, he has to deal with romance, OWLS, and defeating a dark lord. Although his new Defense teacher seems pretty strange too. Will the mysterious professor be able to help Harry save the wizarding world? When the most powerful wizard in history returns after 1000 years, things are bound to get crazy.
T, English, Adventure & Drama, chapters: 27, words: 72k+, favs: 646, follows: 979, updated: 10/3 published: 9/12/2015, Harry P., Merlin
10 my confusion » by shadowpegasus16 harry find somthing out that shake everthing he knew to the core
T, English, Romance & Fantasy, chapters: 2, words: 4k+, favs: 26, follows: 37, updated: 9/19 published: 9/6/2016, [Harry P., Fleur D.] Marauders, Merlin
4 Have You Ever? by ShortNotVerticallyChallenged The war was lost, but they had to hold onto hope. When Hermione decides to travel back in time to fix things, it doesn't quite go the way that she had hoped.
T, English, Romance & Adventure, words: 1k+, favs: 8, follows: 20, 9/18, [Hermione G., Mordred] Neville L., Merlin
11 Sound & Vision » by The Ardent Ginge Throughout the centuries there are many things Merlin have seen, but never did he expect to be turned into a child, introduced to a new form of druids, educated about an unknown sentient being, and charged with a mission to protect Harry Potter.
T, English, Adventure, chapters: 6, words: 34k+, favs: 27, follows: 50, updated: 9/17 published: 10/2/2016
29 Of Poor Warlocks and Confused Wizards » by Amrit.48 Merlin happily lived his life in the 20th century until some wannabe Dark Lord rose from the dead. Now, the immortal warlock must deal with moody teenagers, insufferably nosy headmasters, devious talking portraits, toads dressed in pink and a raising army of the newest Dark Lord. Merlin may be getting too old for this... And what's up with these strange runes inside the castle?
T, English, Adventure & Humor, chapters: 2, words: 8k+, favs: 59, follows: 95, updated: 9/15 published: 9/7
9 The Knights of 10 Downing Street » by Carver Twain (Merlin x Harry Potter Crossover: Modern AU) Merlin and his mother always knew he was odd boy. This is confirmed when Merlin is accepted to Hogwarts. Years later, after leaving Hogwarts, Merlin lives with and helps his uncle, the personal doctor to the Prime Minister of the United Kingdom. An odd man now, Merlin must stay out of trouble. It's not easy being the wizard in Number 10.
T, English, Fantasy & Adventure, chapters: 4, words: 24k+, favs: 7, follows: 21, updated: 9/13 published: 6/17, Minerva M., Merlin, Arthur, Gaius
22 Statues » by Greenwolves Arthur returns to help in the Battle of Hogwarts, but he needs some help from some old friends. Will they be able to defeat Voldemort?
K+, English, Drama & Friendship, chapters: 6, words: 5k+, favs: 24, follows: 38, updated: 9/7 published: 6/2, Arthur, Merlin, Minerva M., Voldemort
8 The Doorway by pumpkinmoose22 A light appears in the seemingly eternal darkness: a doorway that reveals an old friend. But why can't he cross through? Why must Fate be so cruel as to separate king and warlock by this enchanted glass?
K+, English, Friendship, words: 1k+, favs: 17, follows: 18, 9/3, Mirror of Erised, Merlin, Arthur
11 The Merlin Interference » by indyhpfangirl Merlin has lived the last 1300 alone isolating himself from the magical and nonmagical worlds alike. Merlin feels the Old Religion being used and goes to investigate only to find an orphaned Harry Potter. After seeing the life he is meant to live, he decides to step in and raise Harry himself with a little help from the remaining Marauders.
K, English, chapters: 2, words: 2k+, favs: 47, follows: 77, updated: 8/29 published: 8/21
67 Waiting for destiny » by melster242 It's been 1500 years and Merlin is still watching and waiting for his king to return never getting involved, but when there is a massive spike in his magic, can he just lurk in the shadows any longer? Merlin becomes the new defense against the dark arts teacher at Hogwarts under the name of mryddin emrys join him as he seeks to protect the old world and the new.
T, English, Adventure & Mystery, chapters: 10, words: 11k+, favs: 81, follows: 154, updated: 8/27 published: 1/23/2016
113 Defense Against the Dark Arts » by CakeByTheOcean Merlin takes the job of Defense Against the Dark Arts teacher in Harry's fourth year at Hogwarts. He will have to try to blend in, keep the school safe, and stop what he suspects will be an incredibly disastrous event at the end of the year, all while continuing to wait for his King to return. Basically my take on what would happen if Merlin taught at Hogwarts.
K+, English, Adventure & Humor, chapters: 9, words: 14k+, favs: 196, follows: 350, updated: 8/25 published: 10/29/2015
6 Merlin or Draco: That is the Question by Cissa The Bookworm When old Voldy decides to send Death Eaters against a bunch of school children, Merlin decides to step in because that really isn't quite fair. Reincarnated Draco Malfoy.
T, English, Parody & Humor, words: 1k+, favs: 49, follows: 24, 8/20, Harry P., Draco M., Merlin, Arthur
The Unexpected Magic: Once and Future King by XtomJames The sequel to The Unexpected Magic, part 1.
T, English, Adventure & Mystery, words: 12k+, favs: 1, follows: 2, 8/14
I've Crossed Oceans of Time by Skylabluthor One-shot. AU where years after defeating Voldemort, Hermione accidentaly goes back in time and meets Morgana Pendragon one night in the forest. (Based on my own tweet because I'm just that modest)
K, English, Hurt/Comfort, words: 3k+, favs: 1, follows: 1, 8/4