Whodunit Up?

"Whodunit Up?" is the 18th episode of Season 2 of the sitcom Shake It Up and the 39th of the overall series. It first aired on April 15, 2012.

Overview
When a phantom threatens to shut down Shake It Up, Chicago, CeCe, Rocky, Gunther and Tinka try to unmask the culprit before any more damage is done. It is later shown that Ralph the janitor was the culprit, who is actually Snappy Sammy's disguise, the former host of Shake It Up, Chicago! Meanwhile, Deuce helps Ty try to identify his secret admirer. The admirer turns out to be a girl named Abigail, a girl who says she's moving. Deuce convinces Ty to take her on one date before she leaves. Abigail then reveals to Ty on their date that she's only moving a few blocks away.