I'm not sure specifically as there could be many different takes in such a fanfiction. It might involve Ash being in some sort of experimental situation, perhaps related to Pokemon powers or some new technology in the Pokemon world. But without reading the actual fanfic, it's hard to say for sure.
Well, in 'pokemon ash lab rat fanfiction', it could be that Ash is turned into a lab rat, maybe by some evil organization. They might be testing new types of Pokeballs or some strange substances on him. Maybe they want to see how a human with a special bond to Pokemon reacts to certain things. However, this is all just speculation based on the title.
The 'pokemon ash lab rat fanfiction' could have a plot where Ash is unknowingly used as a test subject. It might be that a group of scientists in the Pokemon universe believe Ash has some unique qualities that make him suitable for their experiments. These experiments could range from trying to enhance his ability to communicate with Pokemon to something more sinister like trying to control him. There could also be a story arc where Ash has to escape from this lab - rat situation and expose the wrongdoings of those who made him a test subject.
In the 'pokemon ash lab rat fanfiction', Ash is the central character as the title implies his situation. The ones responsible for making Ash a 'lab rat' are also main characters. They could be a group of rogue scientists or a secret organization. Ash's closest Pokemon, Pikachu, would be a key character too. Pikachu would likely be the first to notice something is wrong with Ash and start the journey to rescue him. Other friends like Brock and Misty may also be involved, depending on how the fanfiction writer decides to develop the story.
In this fanfiction, if Ash turns into a pokemon, perhaps he becomes a Charmander. He could struggle with being in a different form. He might have to adapt to the life of a fire - type pokemon, facing challenges like being weak against water - type attacks and trying to find a way to change back while still having adventures with his friends, who now have to protect him in a different way.
Well, it might be that in this fanfiction, Ash is exploring a new and dangerous area in the Pokemon world. He encounters some strange phenomena or powerful wild Pokemon. There could be a situation where he is poisoned or affected by some negative energy. His body can't handle it and he collapses. His friends or Pokemon then have to search for a cure or a way to revive him, which could be the main focus of the story.
Well, in some cases of 'pokemon ash forgotten fanfiction', it could be that Ash gets sent to a different dimension where no one remembers him. He then has to find a way to make people remember and also deal with the new and often hostile environment. He might start from scratch, trying to regain his Pokemon and his status as a trainer all while facing challenges that are unique to this forgotten state.
In certain fanfictions, Ash might die from an incurable disease that he contracts while exploring a new and mysterious region in the Pokémon world. His Pokémon then have to deal with his loss and some might go on a journey to find a way to bring him back. For example, Pikachu could be determined to find a mythical Pokémon that has the power to revive the dead.
Well, a lab rat cartoon often shows the cute and mischievous side of the rats. They might be in funny situations or having adventures in a laboratory setting.
It's got cool characters and an interesting plot. The art style is also really nice.
Lab rat caricatures usually have exaggerated physical features like big eyes and chubby bodies. They might also be shown in funny or unusual situations.
The 'pokemon trip saves ash fanfiction' could have a plot where Ash is on a trip to explore a rare Pokémon habitat. However, he underestimates the perils there and ends up in a life - threatening situation. His loyal Pikachu might start the rescue mission. Along the trip, Pikachu could meet other Pokémon who join in the effort. They might use their unique abilities to overcome obstacles and finally reach Ash and save him. For example, a flying - type Pokémon could help them cross a large chasm, and a water - type Pokémon could find a way through a flooded area.
A possible plot could be that Ash discovers a rare male Pokemon that has unique powers. He decides to catch it and train it. Along the way, he faces other trainers who also want this Pokemon. This leads to intense battles and strategic planning on Ash's part to keep his new male Pokemon friend safe and to help it reach its full potential.