Maybe Harry becomes an assistant to the doctor and they go on adventures through time and space. They might encounter various alien species and solve mysteries together.
The plot could be really diverse. It could start with Harry being a patient of the doctor, but then it turns out he has a connection to a powerful energy source that the doctor needs to protect. So, they embark on a journey to keep this energy source safe from evil forces. Or perhaps Harry is a long - lost relative of the doctor, and they discover this during an adventure. This revelation then leads to them exploring their shared family history while also facing various challenges in different galaxies and time periods. There could also be a plot where Harry is an experiment gone wrong by an enemy of the doctor, and the doctor has to find a way to reverse the effects while also stopping the enemy's evil plans.
Maybe Harry is a thief to steal back something important that was taken from him or his family. For example, a magical heirloom that has been wrongfully confiscated.
Perhaps Harry is given the task of mentoring some young Ravenclaw students. As he spends time with them, he starts to appreciate the values of Ravenclaw more. He might learn from them as much as he teaches them, and this could lead to new friendships and a different perspective on the Hogwarts houses in general. Along the way, they could face challenges together, like dealing with a new dark magic threat that targets Ravenclaw specifically.
Well, the plot might involve them facing a threat that only their combined skills can defeat. Harry Potter is good at spells and dealing with magical creatures, and The Doctor is a time - traveling genius. So they could be fighting an enemy that has the ability to manipulate time in the wizarding world, something that neither of them can handle alone. Harry could use his invisibility cloak to sneak around while The Doctor figures out the science behind the time - manipulation.
Perhaps Harry sues the Weasleys because he believes they misused some of his fame for their own financial gain. For example, they might have used his name to promote their joke shop without his permission. And Harry, being fed up with this exploitation, decides to sue them to set things straight.
Well, one plot could be that Harry Styles owns a small, charming bakery in a cozy town. A young and aspiring baker comes to town and applies for a job at his bakery. Harry is initially hesitant but then sees the passion in the young baker's eyes. They start working together, and as they bake different delicious treats, they also start to fall in love. There could be challenges like a rival bakery trying to steal their recipes, but in the end, they overcome it all and the bakery becomes even more successful, and their love story blossoms.
One possible plot could be that Harry and Kara are in a relationship. When Kara discovers she's pregnant, they face challenges together. Maybe they have to deal with the reactions of their friends and family, and they struggle to balance their own dreams and the upcoming arrival of the baby. For example, Harry might be on the verge of a big career opportunity, but he has to put it on hold to support Kara during her pregnancy.
One possible plot could be that Harry Potter, through some magical mishap or powerful spell, is transformed into a bride. Maybe he has to go on a quest to find a way to reverse the spell while dealing with the strange reactions of his friends and the wizarding world. For example, Ron might be completely confused and Hermione would be trying to find a solution in the library.
It could be that Ginny uses a dark magic spell in a moment of anger or recklessness. Harry, being the defender of the light, punishes her by making her study the history of the harm caused by dark magic. As she delves into this study, she realizes the error of her ways and has to work hard to regain Harry's trust. This could involve her doing community service within the wizarding community related to those who have been affected by dark magic.
One possible plot could be that Yunan is a child with a mysterious illness. The doctor is a specialist who is determined to find a cure. He spends days and nights researching and trying different treatments until finally, he discovers a new method that cures Yunan.
A plot could be where Tracey Davis is wrongly accused of stealing an important magical artifact from the school. Harry believes in her innocence and sets out to prove it. Along the way, they find out that there's a much larger conspiracy at play involving some of the other Slytherin students and a group of dark wizards. As they dig deeper, their friendship grows stronger as they face numerous challenges and dangerous situations.