A crossover with the Magic School Bus might be cool. Dora and the gang could board the Magic School Bus which then takes them on an educational adventure through different ecosystems or even other planets. They could learn about science and nature together in a very exciting way.
One idea could be a crossover with the Pokémon world. Dora could be on a journey to discover new Pokémon in a region that has elements from her usual adventures, like tropical forests or ancient ruins. She could use her map - reading skills to find Pokémon habitats.
A dora the explorer crossover fanfiction could involve her meeting the characters from Frozen. She could help Elsa and Anna explore a new, uncharted area of their kingdom. Also, a crossover with the Teenage Mutant Ninja Turtles would be cool. Dora could use her bilingual skills to communicate with the turtles and help them fight the bad guys in the sewers of New York. And she might cross over with the Powerpuff Girls, teaming up to save Townsville from a new kind of villain.
One idea could be that Dora gets lost in Quahog and has to ask the Griffin family for help. Stewie could be really intrigued by her map and backpack and try to steal them for his own adventures. Another could be that Dora teams up with Brian to solve a mystery in town, like who's been stealing all the cheese from the local deli. Maybe they use Dora's language skills and Brian's detective skills.
One idea could be that Dora and Boots discover a magical lemon grove. In this grove, the lemons have special powers. For example, they can make wishes come true when squeezed. So, Dora and Boots go on an adventure to find the biggest lemon in the grove to make a wish for more friends in the forest.
One plot idea could be that Dora and Diego discover a magical place while on an adventure together. In this place, their bond as cousins is tested when they meet a mischievous creature who tries to create misunderstandings between them. But in the end, they overcome the challenges and their relationship becomes even stronger.
A fun fan fiction could be about Dora and Boots getting separated during an adventure. Dora has to rely on her other friends like Benny the Bull and Isa the Iguana to find Boots. Along the way, they encounter a group of mischievous monkeys who keep playing tricks on them. But Dora stays positive and uses her wits to outsmart the monkeys and be reunited with Boots.
One interesting idea could be a crossover with "Moana". Elsa's ice powers and Moana's connection to the ocean could create a really cool dynamic. Maybe Elsa accidentally freezes part of Moana's ocean and they have to work together to fix it. Another could be with "Tangled". Rapunzel's long hair and her adventurous spirit combined with Elsa and Anna's journey in Frozen 2 would be exciting. Rapunzel could use her hair to help them climb mountains or cross chasms. A third idea is a crossover with "Beauty and the Beast". Belle's love for books and knowledge could help Elsa understand more about her powers and the history of magic in the Frozen world.
A Rambo crossover fanfiction could involve him crossing over into the Star Wars universe. Rambo's guerilla warfare tactics could be interesting in a galaxy far, far away. Maybe he helps the Rebel Alliance in a ground - based battle against the Empire. Or a crossover with the Predator series. Rambo would be a worthy opponent for the Predator, and the fight between them in the jungle could be epic. Also, a Rambo and John Wick crossover would be intense, two highly skilled fighters on the same side or perhaps initially at odds.
One idea could be a crossover with a modern military setting. The Decepticons could be trying to steal advanced military technology. Another is a crossover with a post - apocalyptic world where they are competing with other factions for resources. A third could be a crossover with a magical realm, with the Decepticons trying to harness the magic for their own evil purposes.
One idea could be a crossover with Naruto. Kakuzu could be sent to the Naruto universe and form an unlikely alliance with a shinobi village to fight a common enemy, like the Akatsuki from his own world turned rogue in the new universe. This would create a lot of interesting character dynamics and battles.
Another option is a crossover with 'The Little Mermaid'. The characters from the descendants could meet Ariel and her friends underwater. Evie might be interested in the mermaid fashion and could design new outfits inspired by the underwater world.