It's A Spring Break Breakdown During The 3rd Season Finale Of "GREEK," Monday, March 29 At 10:00PM ET/PT On ABC Family

Martha MacIsaac ("Superbad") Guest Stars as "Dana"

The students of CRU are on Spring Break in Myrtle Beach, which means the year is winding down and the seniors have big decisions looming over their heads. As Ashleigh contemplates her job options, Casey is on edge waiting to see where she'll be accepted to law school. While Cappie is busy planning a romantic surprise for Casey's birthday, she worries that not making it into CRU Law could mean the demise of their relationship. Will Cappie and Casey survive Spring Break intact? Find out in the 3rd season finale of the ABC Family hit series "Greek," premiering Monday, March 29, 2010 (10:00 - 11:00 PM ET/PT). The episode, entitled "All Children... Grow Up," was directed by Michael Lange and written by Patrick Sean Smith.

After "losing" their Spring Break house to the Omega Chis during Phase I of their revenge plan, the KTs are ready to put the rest of their brilliant plan into action. They successfully sabotage the OXs' Spring Break by evicting them from the house. But when Rusty is caught planning the next phase, he jeopardizes the entire operation.

Ashleigh and Rebecca decide to take a vacation from their real lives by offering fake names and background stories to everyone they meet in Myrtle Beach. However Rebecca can't escape her very real feelings for Evan. Meanwhile, Rusty and Dana (Martha MacIsaac) plan to take their relationship to a new level by sharing a room together during Spring Break, but all does not go as planned when Dale decides to join them.

Created by Patrick Sean Smith, "Greek" is executive-produced by Piller/Segan in association with ABC Family. The cast includes Jacob Zachar as Rusty, Spencer Grammer as Casey, Scott Michael Foster as Cappie, Jake McDorman as Evan, Clark Duke as Dale, Dilshad Vadsaria as Rebecca, Paul James as Calvin, and Amber Stevens as Ashleigh.