The film begins with normal live - action for the first 20 minutes .
The film becomes stop - motion animation after James enters the peach , and then live - action when James enters New York City ( although the arthropod characters remained in stop - motion ) .
The film begins with normal live - action for the first 20 minutes , but becomes stop - motion animation after James enters the peach , and then live - action when James enters New York City ( although the arthropod characters remained in stop - motion ) .