No, not a Harry Potter/Black Adder crossover, but when James Potter stands her up at the alter, a unique solution is found in the situation of who marries the bride when the groom doesn't show up. Rated M due to possible subject matter and/or language.

What would happen if Harry's foster family actually got their acts together, and everyone decided to keep Dumbledore out of the loop as well as getting the Bones and Longbottom families into the act. Rated M in advance due to language, humour and situational violence.

Based roughly in Harry's fifth year at Hogwarts after his disciplinary hearing held in front of the entire Wizengamot. While soaking in the Prefect's tub, he strikes up a conversation with Moaning Myrtle, with surprising results, resulting in the canon timeline going astray as new allies come to help out at Hogwarts, bringing their own variety of chaos and revelations.

Probable a one-off or short series following on from Harry Potter and the Ghost Re-animated plot line. After the Battle of the Sheep Pasture, Bellatrix LeStrange survives and faces trial. What no one expected was that the crazy Bellatrix is not the only personality occupying her body. Harry and the Ladies Potter plus his friends follow up on the tale from this second Bellatrix.

Taking place twenty years after A Certain Arranged Marriage, Kamijou Touma's oldest child, Misuzu. encounters a certain martial artist from Nerima. A new level of chaos arrives in Academy City AND Nerima as Misuzu finds just what her power is while Ranma comes up with a final solution to his fiancé problems. Ranked M to be safe rather than gomennesai...