 Despite the family's anger towards them, Drake and Josh are determined to keep their promise.Meanwhile, they also send Officer Gilbert a nice chimpanzee as a Christmas present along with a heartfelt letter, which causes him to begin loving Christmas again.They then borrow Steve's wood chipper to make it snow in front of Mary Alice's house by putting ice in the machine, but it inadvertently shoots large chunks at the house, shattering all the windows.