Continuity: In the final act, when the twins are dressed in Elvis costumes, Jessie throws the red scarves to the crowd. When he picks the twins up to bow, the scarves are back. As the winners are being announced he even removes a scarf although they were thrown to the crowd.
Visible crew/equipment: When Stephanie is about to get her ears pierced and they shows their eyes close up, when they show Stephanie's, you can see the studio lights in the reflection of her eyes.
Continuity: Steve sees D.J. at the hotel, runs to greet her, trips, and falls. After he gets up, they hug. In this shot, D.J.'s arms are under his arms and around his back. The shot changes, and her arms are suddenly around his neck.