Your challenge is to write crossover fanfiction combining Sesame Street and I, Robot. The story should use body switching as a plot device!
Potential[url]Your challenge is to write crossover fanfiction combining Silent Hill and Bubble Bobble. The story should use a seemingly routine day as a plot device![/url]
odd:
Your challenge is to write crossover fanfiction combining The Jeffersons and Spaceballs. The story should use moving to a new place as a plot device!
Hilarious:
Your challenge is to write crossover fanfiction combining Blue's Clues and MegaTokyo. The story should use Christmas as a plot device!
WAT?:
Your challenge is to write crossover fanfiction combining Doom and Moulin Rouge. The story should use somebody misplacing their pants as a plot device!
Also, on 4chan they did this on hard mode. Write 100 words at least for each idea. Find it here