For a Total Drama Island crossover fanfic, you could do a crossover with a classic anime like Naruto. The contestants could learn ninja techniques to use in the challenges. Like, Cody could learn how to clone himself to complete tasks faster. Another possibility is to cross it with a Disney show like Gravity Falls. The mystery of Gravity Falls could seep into Total Drama Island, and the contestants would have to solve puzzles related to the strange happenings on the island. And a crossover with a show like Rick and Morty would be wild. Rick could create some crazy gadgets for the contestants to use in challenges, or they could end up in different dimensions during the competition.
One idea could be a crossover with another popular animated show like 'Adventure Time'. Finn and Jake could end up on Total Drama Island and compete in the challenges. It would be hilarious to see their different personalities interact with the Total Drama characters.
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.
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.
A plot where the challenges in the fanfic are completely different from the ones in the original show can be really engaging. Maybe instead of physical challenges, they have to solve complex mysteries that are set on the island. This would add a whole new layer of intrigue and keep the readers hooked as they try to figure out the mystery along with the characters.
One idea could be a character who was previously eliminated getting a second chance and having to prove themselves all over again. Maybe they have some new skills or a changed attitude.
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 a crossover with another popular animated show. For example, if Total Drama crossed with Adventure Time, Finn and Jake could end up on the Total Drama island and participate in the challenges. They would bring their own unique skills and humor to the mix, like Finn's sword - fighting abilities and Jake's shape - shifting. Another plot could involve characters from Total Drama being transported to a different fictional world, like the wizarding world of Harry Potter. They would have to adapt to new rules and use their wits to survive. Maybe Heather would try to use magic to her advantage in the Triwizard Tournament.
A cool concept would be a crossover with 'Avatar: The Last Airbender'. Picture the Total Drama contestants in the four nations. Some might try to learn bending skills, like Duncan thinking he can be a great earthbender because of his tough - guy attitude. They could also get caught up in the Fire Nation's plots or help Aang in his journey to master all four elements. This would bring a whole new level of chaos and humor to both universes.
One idea could be an OC who has a special hidden talent like being able to communicate with animals on the island. This could lead to some really unique challenges and alliances. For example, they might use the animals to help them find hidden immunity idols or to spy on other contestants.
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.