Sam, Dice, and Goomer go to a mixed-martial arts fight, leaving Cat at home to study. Sam's motorcycle goes missing. Cat loses her memory. Sam opens a safe in her bedroom and discovers a tunnel ...

The Pussycat Dolls are back and better than ever! The singers and dancers -- composed of Nicole Scherzinger, Kimberly Wyatt, Ashley Roberts, Jessica Sutta and Carmit Bachar -- took the stage for the ...