When Professor McGonagall went to visit Harry Watson, son of Mr. Sherlock Holmes and Dr. Watson, to deliver his Hogwarts letter, she was in the mindset of performing a familiar if stressful annual routine. Consequently, she was not prepared to find Harry Potter at 221B Baker Street. BBC Sherlock HP crossover AU

John Hamish Watson and Death have a history - one he doesn't remember until he lies, bleeding out under an Afghan sun. Now he's back in London, chasing after criminals with Sherlock Holmes, coming to terms with a past life, his sister's true identity, and trying to do his part to keep THE consulting criminal from wreaking havoc in both muggle and magical London.

Sherlock Holmes is the new Defence Against the Dark Arts teacher at Hogwarts. Harry Potter is a young wizard with a need for conversation. And John Watson? Well, let's just hope that he's keeping himself out of trouble.

When Harry reveals to John she's dying his world starts to crumble, death among friends just seems like a curse that hovers around him. But in all this sorrow Harry wants to bring him and his husband happiness. Her last wish is to give them a child. Mostly a story of how Sherlock and John handles fatherhood. Parentlock. Hamish Watson Holmes. Sherlock/John Just a lot of drabble.

Sometimes your mind can play tricks on you. It can make you see and hear things that aren't really there. John always thought he could handle anything that came his way. That was until the suicide of his best friend and flatmate Sherlock Holmes. But if he was truly gone then why can John still see him? What happens if he actually comes back? Johnlock. hallucination!Sherlock

At the tender age of eight, Harry Potter encounters something that will change his life forever. Armed with a werewolf bite, a family, and the Lunae Tristitiam Tribe, how will Harry Stidolph face his first year of Hogwarts School of Witchcraft and Wizardry?

AU. James and Lily survive that night on Halloween to raise Harry through infancy, adolescence and beyond, with Remus and Sirius by their side to help support them and to, of course, create some little antics and mischief of their own.

Ways to annoy the Harry Potter characters

Sherlock had been acting weird, and everyone thought he was just stressed, so he and John go on a trip to Fiji. Yet, what was supposed to be a relaxing vacation from the stresses of detective work only opened the door for much more stress and confusion when John begins to have strange feelings around his colleague, Sherlock Holmes. And Sherlock is still acting strange...

Harry's an assassin!The best! He told no one! he get's called for a job at dinner Remus reads over his shoulder! He has to tell them a secret! While he completes the mission he gets injured ! this changes how harry's relationships are with overs! But no one is surposed to know about harry's job! what happens when harry gets told to kill the people he loves! I'm dxlesic so sorry!

End of his Fourth year harry returns home to his friends. Drink and drugs cloud his mind as he tries to forget Cedric's death and romance take hold of him. He wants to stay with his friends but the order wants him to be protected. So they pick him up one day and see his secrets. OC's harry/OC. Smart!Harry drug usage and withdrawal harry's in love

Harry pushes Sirius out of the way when he falls into the veil in the department of mysteries! Because of this harry falls through. But he doesn't die! he is thrown back in time and has to live out history in till he gets back to his own time. Follow him as he tries to get back to his love ones. Immortal!harry well nearly and he doesn't know it! P.S I'm dyslexc so sorry in advance

All baby Harry wants is his parents to come home, but it is the 31st October 1981 and they won't be coming back and in the midst of a temper tantrum Harry's magic explodes. In the Great Hall the first morning of term 1976 a toddler appears at the Gryffindor's table, claiming James as his Father. Who is the toddler and what will follow these strange circumstances?

Sherlock and John have a baby boy. All theirs and they're very happy. This is their lives with him. Not MPreg, but Hamish is their genetic son because Sherlock is a genius and it makes the fic cute to have a brave genius for a son! Hamish age newborn-11. Johnlock. R&R

Remus and Sirius use a spell to get the books because they want to know abut Harry's life, and share them with the order of the Phoenix. Story is a lot better then this horrible summary.

Sherlock is diagnosed with a terminal illness. Warning: angst like whoa.

Sister and brother, mother and son. Fred was too much like Fabian, so Molly knew she'd lose him too.

Angst. Harry and Remus learn to deal with Sirius's death. Basically a way to cope with the grief.