: Convinced they might be each other, the twins begin acting like the other twin—Cody starts acting like the "troublemaker" Zack, and Zack tries to be the "studious" Cody.

: The bank seizes London’s assets, forcing her to move into Maddie Fitzpatrick's small family apartment.

Meanwhile, Zack and Cody watch old home videos of their birth and early infancy.

: Carey eventually proves who is who by obtaining their birth certificates from the hospital and identifying them by their footprints.

: Mr. Tipton eventually strikes oil in the same mine, restoring the family fortune. London remains friends with Maddie, recognizing her as the only person who didn't abandon her when she was broke. Subplot: The Baby Tape Mystery

"The Suite Life of Zack & Cody" Poor Little Rich Girl (TV ... - IMDb

: They discover a tape where their mother, Carey, appears to temporarily mix them up.

In Season 1, Episode 13, titled " Poor Little Rich Girl ," the central plot follows London Tipton as she experiences life without her massive fortune. The episode originally aired on the Disney Channel on July 22, 2005. Main Plot: London’s "Rags to Riches" Journey