One plot idea could be that Naruto and the Total Drama cast end up in a shared, strange new world. They have to compete in challenges that combine ninja skills with Total Drama - style tasks. For example, a race where they have to use both parkour and ninjutsu.
A cool plot could be that the Total Drama crew is transported to the Naruto universe. They are mistaken for new ninja recruits. They have to go through ninja training, which is a total disaster at first because they don't understand the basics. But as time goes on, they start to pick up ninja skills and even help Naruto in a big battle against a common enemy.
Maybe there's a fanfic where the Total Drama villains team up with some of Naruto's foes. This would force Naruto and his friends to form alliances with the more 'good - natured' Total Drama characters. They'd then have to figure out how to defeat this combined evil force, with lots of humorous misunderstandings along the way.
A third idea is a crossover where the Total Drama characters are invited to the Hidden Leaf Village for a special international competition. The culture shock for both groups would be huge. The Total Drama crew would be amazed by the ninja techniques and the Hidden Leaf villagers would be both amused and confused by the over - the - top personalities of the Total Drama cast. There could be a lot of comical misunderstandings and some great team - up moments between characters from both universes.
One idea could be a time - travel fanfic where a character goes back in time to the first season and tries to change the outcome of certain challenges. Another idea is a crossover fanfic with another popular animated show, like having Total Drama characters interact with those from Adventure Time. Or you could write a fanfic that focuses on the backstories of the less - explored characters, like giving more details about Ezekiel's life before the show.
One idea could be that Naruto finds himself mysteriously transported to Total Drama Island. He could use his ninja skills in the various challenges, like using his speed to win races or his shadow clone jutsu to complete multiple tasks at once. Another plot could involve the Total Drama Island contestants being sent to the Naruto universe and having to adapt to the ninja way of life, facing off against ninja enemies with their own unique skills.
One idea could be a redemption arc for a previously disliked character. Maybe they team up with an unexpected ally and prove themselves in a series of challenges that are different from the ones in the show, like underwater maze races. Another could be a love triangle between three of the all - star contestants that causes drama both on and off the challenge field.
One idea could be an OC who is a master of disguise and uses this skill to outwit the other contestants in various challenges. For example, they could pretend to be injured to avoid a particularly difficult task, only to surprise everyone by winning the next one. Another plot could involve an OC with a unique phobia that gets triggered during a challenge, and they have to overcome it to stay in the game. Maybe they're afraid of heights and there's a zipline challenge. A third idea is an OC who has a secret alliance with a villainous character from the show, and they work together to manipulate the other contestants.
Another idea is an OC who is a superfan of the Total Drama show in the fanfic's universe and manages to get on the show. Their in - depth knowledge of the previous seasons and challenges could give them an advantage, but also make them a target because others might see them as a threat. They could form alliances based on their knowledge or get into conflicts with those who don't like their 'know - it - all' attitude.
Another interesting concept is a crossover where the Total Drama characters find themselves in the Pokemon world. They have to travel through different regions, catch Pokemon, and compete in gym battles. Along the way, they would face challenges not only from the Pokemon themselves but also from their own rivalries and personal issues, just like in the Total Drama show.
One idea could be a crossover where the Total Drama characters are put into the Danganronpa killing game situation. For example, the challenges in Total Drama could be incorporated into the trials in Danganronpa. Another idea is to have the personalities of the Danganronpa characters influence the Total Drama competitions. Maybe some of the more devious Danganronpa characters could come up with sneaky strategies in the Total Drama challenges.
Perhaps an OC who is a master of disguise. They could use this skill to spy on other contestants, gather information, and manipulate situations in the 'Total Drama Revenge of the Island' setting. They might even be able to trick the judges at times.
Perhaps a plot where the eliminated contestants decide to rebel against the rules of the Aftermath. They could form a group and try to change the way the show is run, demanding more fair treatment or better living conditions. This could lead to a lot of drama and conflict, as well as some interesting character interactions.