Thomas, Ferb and Vanessa's son, and Marie, Phineas and Isabella's daughter, have gone through thick and thin. But what happens when Thomas becomes more and more oblivious once they enter highschool? Thomas and Marie are not mine, and the owners are inside. Phineas and Ferb is Dan Povenmire's and Jeff 'Swampy' Marsh's. Will be re-written! On HIATUS.