Nickelodeon today revealed the official trailer and key art for the all-new original animated series The Fairly OddParents: A New Wish, sharing a glimpse into the reimagined Fairy World and new city of Dimmadelphia. Produced by Nickelodeon Animation, the 20-episode series premieres Monday, May 20 at 4:30 p.m. ET/PT on Nickelodeon in the U.S. and …