Dream, Alex's old boyfriend returns. His presence causes Mason to get really jealous and he somehow accidentally eats Dean. Alex, Justin, and Max have to travel inside Mason to rescue Dean before he's digested.

Cast: Selena Gomez, David Henrie, Jake T. Austin, Jennifer Stone, Maria Canals-Barrera, David DeLuise, Shoshana Bush, Frank Pacheco, Daniel Samonas, Gregg Sulkin