One of the only songs sung from High School Musical (2006) that was "Bop To The Top." Although the cast mentions "Getcha Head In The Game" and "What I've Been Looking For."
At various points during the episode, Maddie says people tell her she looks like the actress who played Sharpay in High School Musical (2006). Overall, she even mentions the actress by name, Ashley Tisdale. Maddie is played by Ashley Tisdale.
One of the episodes that was scheduled for a late date in the season, and as a result, there are continuity errors. According to this episode, London, Maddie, Zack, and Cody are high school students before starting high school, Maddie is back from Antarctica, and London has her theme song. Additionally, Maddie coming back from Antarctica may not be a continuity error as she ended her trip early.
During filming at this time, Kim Rhodes (Carey) was pregnant with her first child. At the beginning of the episode, you can tell because she puts her hand on her stomach and is only seen from above her waist and up.
As Mr. Blaine says, "Okay, Maddie, are we ready to bop to the top? Remember, we're all in this together." and Maddie responds, "Okay, you're pushing it to the limit." However, the songs he refers to in High School Musical Bop to the Top and We're All In This Together. Maddie references Push it to the Limit from the 2007 Disney movie Jump In!, which stars Corbin Bleu, who plays Chad in the original High School Musical trilogy.