Zack Lively

Inspired by the students, Will composes a mash-up for a very special occasion. Meanwhile, in a shocking reversal of roles, McKinley High's cool kids are dethroned in an "icy" fashion, and Sue shows off her softer side in the "Mash-Up" episode of GLEE.

The NCIS team has to find a young girl that was kidnapped, but their investigation turns into something else when her grandfather gets way too involved.

Zack and Cody decide to help Chef Paulo eat healthier, while London and Maddie diet and exercise for an upcoming fashion show.

Casey, in her attempt to punish Rebecca, makes her participate in a challenging scavenger hunt, while Rusty must learn to balance his studies and his frat responsibilities.

In the midst of the floor hockey tourney, Evan questions Casey's loyalty considering her brother and ex-boyfriend are both Kappas. Casey quells that suspicion by successfully caring out a plan to make the Kappas too hungover for their game against the Omega Chis. Rusty, desperate to play for the team but without a single athletic bone in his body, gets the help of Dale who suggests they take a scientific approach to the game. This comes in handy when, with all the brothers drunk, Cappie has no choice but to allow Rusty to play.