On the October 26 episode of Greek, Casey will choose between Evan and Cappie.

While fans get excited for that resolution, series creator Sean Smith spoke to Entertainment Weekly about the November 2 third season finale.

The ambitious episode is actually musical-based, as Smith explains:

"Our girls' story is centered around a traditional sorority competition called ‘Songfest.' [They perform] some big song-and-dance numbers as they go up against Gamma Psi to get the house back on top.”

Hence, the return of High School Musical actress Olesya Rulin. She portrays ZBZ pledge Abby, who Smith teases throws out some “great HSM references” throughout the hour. There's also this nugget:

“One of our Kappa Taus graduates. That’s right, I used the G-word," Smith said.

As always, we'll recap each episide in full after it ends; providing the latest Greek quotes and photos from the week.

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.