Santa's Little Helper of their sacrifices and starts treating him badly, causing him to run away. He ends up in the possession of Mr. Burns, who trains him to become a vicious attack dog. Several days later, Bart stumbles upon the trained Santa's Little Helper and is attacked, but the greyhound eventually recognizes his old friend and stops. In "The Canine Mutiny" (season eight, 1997), Bart uses a fake charge card to buy a well-trained rough collie named Laddie from a mail-order catalog. Laddie learns many tricks that Santa's Little Helper is completely unable to perform, and the Simpson family nearly forgets about
Brother's Little Helper eventually stops at the school. There, he points the tank's cannon into the sky and shoots down a Major League Baseball satellite; inside are detailed documents on everybody's behaviors. Mark McGwire appears, distracts the citizens with a long home run, and hides the evidence under his cap. Marge takes Bart off Focusyn for good and puts him back on Ritalin. Major League Baseball, however, still spies on the Simpson family due to an autographed bat McGwire gave Bart that has a hidden camera. "Brother's Little Helper", which was originally called "Bart a Go Go", was written by staff writer George