First of all, I wanna thank all of you(on here AND Twitter) for supporting this idea and trying to get it trending on Twitter!
5 years ago today, Phineas and Ferb premiered in the US with the pilot episode Rollercoaster
Since then, the series has spawned 3 seasons, a movie, a talk show spin-off series not to mention video games, phone apps and several other instances of merch. There is also a live-action/animated theatracial movie and season 4 in the works
Happy Phineas and Ferb Day!