The summer after the Tri-Wizard Tournament, Harry Potter disappeared. Utterly. Twenty years later, Sherlock Holmes stumbled onto the case.

The summer after the Tri-Wizard Tournament, Harry Potter disappeared. Utterly. Twenty years later, Sherlock Holmes stumbled onto the case.

The summer after the Tri-Wizard Tournament, Harry Potter disappeared. Utterly. Twenty years later, Sherlock Holmes stumbled onto the case.

Sherlock Holmes, vampire Detective, introduces John Watson to the most improbable man in the multiverse. The world ends (a bit).

The summer after the Tri-Wizard Tournament, Harry Potter disappeared. Utterly. Twenty years later, Sherlock Holmes stumbled onto the case.

The summer after the Tri-Wizard Tournament, Harry Potter disappeared. Utterly. Twenty years later, Sherlock Holmes stumbled onto the case.

The summer after the Tri-Wizard Tournament, Harry Potter disappeared. Utterly. Twenty years later, Sherlock Holmes stumbled onto the case.

The summer after the Tri-Wizard Tournament, Harry Potter disappeared. Utterly. Twenty years later, Sherlock Holmes stumbled onto the case.

The summer after the Tri-Wizard Tournament, Harry Potter disappeared. Utterly. Twenty years later, Sherlock Holmes stumbled onto the case.

The summer after the Tri-Wizard Tournament, Harry Potter disappeared. Utterly. Twenty years later, Sherlock Holmes stumbled onto the case.

When John Watson shoots a cabbie to save the life of Sherlock Holmes, Mycroft Holmes orders that the pair of them be put on Surveillance Level 3, Active.   Things go straight downhill from there.

Spoilers for all three seasons plus a bit of speculation about what might happen after.

Petunia Dursley discovers that taking care of two small boys is too much for her, so she passes the guardianship of Harry Potter over to a distant relative - Morticia Addams. With Harry growing up in a very different type of Family, Dumbledore desperately tries to get him back. But the Harry Potter who finally arrives at Hogwarts, along with his "cousins" Pugsley and Wednesday, will be nothing like what Dumbledore expects.

Pairings: Harry/Wednesday, Pugsley/Hermione.   Others TBA.

Petunia Dursley discovers that taking care of two small boys is too much for her, so she passes the guardianship of Harry Potter over to a distant relative - Morticia Addams. With Harry growing up in a very different type of Family, Dumbledore desperately tries to get him back. But the Harry Potter who finally arrives at Hogwarts, along with his "cousins" Pugsley and Wednesday, will be nothing like what Dumbledore expects.

Pairings: Harry/Wednesday, Pugsley/Hermione.   Others TBA.

Petunia Dursley discovers that taking care of two small boys is too much for her, so she passes the guardianship of Harry Potter over to a distant relative - Morticia Addams. With Harry growing up in a very different type of Family, Dumbledore desperately tries to get him back. But the Harry Potter who finally arrives at Hogwarts, along with his "cousins" Pugsley and Wednesday, will be nothing like what Dumbledore expects.

Pairings: Harry/Wednesday, Pugsley/Hermione.   Others TBA.

Petunia Dursley discovers that taking care of two small boys is too much for her, so she passes the guardianship of Harry Potter over to a distant relative - Morticia Addams. With Harry growing up in a very different type of Family, Dumbledore desperately tries to get him back. But the Harry Potter who finally arrives at Hogwarts, along with his "cousins" Pugsley and Wednesday, will be nothing like what Dumbledore expects.

Pairings: Harry/Wednesday, Pugsley/Hermione.   Others TBA.

Petunia Dursley discovers that taking care of two small boys is too much for her, so she passes the guardianship of Harry Potter over to a distant relative - Morticia Addams. With Harry growing up in a very different type of Family, Dumbledore desperately tries to get him back. But the Harry Potter who finally arrives at Hogwarts, along with his "cousins" Pugsley and Wednesday, will be nothing like what Dumbledore expects.

Pairings: Harry/Wednesday, Pugsley/Hermione.   Others TBA.

The final battle is over, and Harry must declare his True Love.   Who shall it be?

Petunia Dursley discovers that taking care of two small boys is too much for her, so she passes the guardianship of Harry Potter over to a distant relative - Morticia Addams. With Harry growing up in a very different type of Family, Dumbledore desperately tries to get him back. But the Harry Potter who finally arrives at Hogwarts, along with his "cousins" Pugsley and Wednesday, will be nothing like what Dumbledore expects.

Pairings: Harry/Wednesday, Pugsley/Hermione.   Others TBA.

Petunia Dursley discovers that taking care of two small boys is too much for her, so she passes the guardianship of Harry Potter over to a distant relative - Morticia Addams. With Harry growing up in a very different type of Family, Dumbledore desperately tries to get him back. But the Harry Potter who finally arrives at Hogwarts, along with his "cousins" Pugsley and Wednesday, will be nothing like what Dumbledore expects.

Pairings: Harry/Wednesday, Pugsley/Hermione.   Others TBA.

Petunia Dursley discovers that taking care of two small boys is too much for her, so she passes the guardianship of Harry Potter over to a distant relative - Morticia Addams. With Harry growing up in a very different type of Family, Dumbledore desperately tries to get him back. But the Harry Potter who finally arrives at Hogwarts, along with his "cousins" Pugsley and Wednesday, will be nothing like what Dumbledore expects.

Pairings: Harry/Wednesday, Pugsley/Hermione.   Others TBA.