Ep 18. Fool's Day Out / Deja Vu

Timmy Turner, a young boy with fairy godparents, is determined to have the best April Fool's Day ever. However, when he insists on pranking everyone in Dimmsdale, his fairy godparents Cosmo and Wanda try to convince him to tone down his pranks. Meanwhile, his arch-nemesis Vicky is working a shift at the Dimmsdale museum where she accidentally breaks a cursed mirror, resulting in her experiencing a constant state of deja vu. As she realizes she is stuck repeating the same day over and over, she begins to use her knowledge of the future to her advantage. Will Timmy be able to pull off the ultimate prank without causing any harm, or will Vicky's constant deja vu foil his plans? Find out in "Fool's Day Out / Deja Vu," season 1 episode 18 of Fairly OddParents.