Harry's reaction could be complex. Initially, he might be in disbelief and think it's some sort of trick or illusion. But once he realizes it's really them, he would be overcome with emotion. He could be a bit shy at first, not knowing how to act around them. But as time goes on, he would become more comfortable and start to bond with them, sharing his experiences in his own dimension and learning about theirs.
At the moment of meeting, Harry would be stunned. His eyes would widen in shock and his heart would race. He might be at a loss for words for a while. As the reality sinks in, he would feel a mix of emotions. There would be the excitement of finally getting to meet them, but also sadness that he never had this chance in his own dimension. He would quickly start to engage with them, hanging on to every word they say, as if trying to make up for all the lost time.
Well, the plot could start with Harry having strange dreams about his parents. One day, while exploring an old, forbidden part of Hogwarts, he accidentally activates a spell that transports him to an alternate dimension. His parents in this dimension are leading very different lives. They could be powerful wizards involved in some grand magical plan, and Harry has to figure out how he fits into this new world and how to get back to his own dimension.
He would be overjoyed. It's his parents, after all.
He would be extremely excited. Goku has always been curious about his parents, so he'd probably have a big smile on his face and lots of questions to ask them right away.
Well, Goku is a Saiyan, and Saiyans have a strong sense of family deep down, even if they don't always show it. When he meets his parents in this fanfiction, he could initially be in disbelief. But once he realizes it's real, he would embrace them wholeheartedly. He may even start to show off his strength and skills a bit, like a child showing off to his parents. And he would be excited to hear stories about their Saiyan race and how they ended up in the situations they did.
At the start, Harry would be stunned. His whole life has been built on the idea of his parents being heroes. When he realizes they betrayed him, he would be heartbroken. He might go on a journey to find out the real motives behind their actions. Along the way, he could become bitter and vengeful. However, he might also find some inner strength and decide to rise above the betrayal. He could use it as a motivation to break free from the shadows of his parents and create his own path, but not without a great deal of emotional turmoil first.
Well, it could be that Harry meets his parents through some magical time - turner accident. Maybe he's on a mission in the past and stumbles upon them.
In this fanfiction, Harry's encounter with his parents could be a very cathartic experience. He has been through so much pain and loss in his life. When he meets his parents, they would comfort him. They might talk about his friends and how they are going to be okay. His father could show him some cool magic tricks that he didn't get to learn while alive. And his mother would hold him tight, making him feel the love he has been longing for all his life.
Harry would probably be overjoyed at first. After all, he has always longed for his parents. He might start to look for ways to make it happen, like searching for magic spells or ancient artifacts that could bring his parents back.
He would probably be very confused and heartbroken at first. He might isolate himself from others as he tries to make sense of what has happened.
In fanfiction, when Harry Potter meets his parents, it could be an extremely emotional encounter. He might finally get the chance to hug them and feel the love and warmth of a family he's always longed for. His parents could offer him advice on how to deal with Voldemort and the challenges at Hogwarts. Maybe they'd share some long - forgotten family secrets or magic spells with him. It would be a moment of great joy and connection for Harry, filling the void of his orphaned life.