After traveling around the nation, the twins and their mother Carey arrive in Boston, which becomes their home until "The Suite Life on Deck". Cody and Zack become friends with Maddie Fitzpatrick, they each keep a picture of her in their rooms when they move to the SS "Tipton". During the "On Deck" episode "Maddie On Deck", Maddie flirts with Zack a bit while visiting and even kisses him to give him confidence. Cody does well in school and is interested in several intellectual activities, which results in him attending math camp and winning a spelling bee.