As a running gag in almost every episode, the vase, which is called "Vasey," gets broken but seems to be fixed without anyone knowing how.
Boomer's twin, Brady, is one year older than him in real life.
In several episodes, if you very closely, whenever he wears a V-neck or buttoned-up shirt, you can see Mitchel Musso's chest tattoos.
Takin' Care of Things from Phineas and Ferb the Movie: Across the 2nd Dimension was originally written as the theme, however, the network ultimately decided to use a different song so Dan and Swampy re-purposed it for the movie.