User blog comment:Mobo85/Hot Off the Presses..."Phineas and Ferb" Season 3 Starts March 4/@comment-3006892-20110215232220/@comment-76.250.191.103-20110220145912

It's because it's the only dog that phineas and ferb loved has a pet,so why not. But what I don't get is why they are building a robo dog in a episode when I saw it in the trailer for Across the Second Dimension? Did they rebuild it or something?