The fifth season of Glee will air its last episode today, May 13, and will satiate the curiosity of many fans who wonder what will happen to the rest of the cast.

The finale is entitled "The Untitled Rachel Berry Project" where Lea Michele sees her dreams reachable as she meets a famous TV writer. Meanwhile, Sam and Mercedes seemed to be busy chasing their own dreams that gives rise to commitment issues.

Mercedes is set out to promote her latest CD while Sam is caught up in his busy schedule in modeling assignments and may pose nude for a photo shoot. Meanwhile, Blaine may finally get his awaited platform with June Dolloway but may have to disclose some secrets.

Kevin McHale, also known as Artie Abrams, spilled some spoilers for the upcoming finale saying that the Gleeks should 'expect the unexpected.' "There are some different things that I didn't see coming," McHale told E! Online.

In short, the season finale episode will show the turn of events in the lives of the cast, which will be the basis of the sixth season.

Speaking of Season 6, the final season of the most-loved musical series will air in the fall of 2014. Gleeks may see a reunion of all the previous cast members in the final season. The setting of the sixth season is in New York where all the titular members of the Glee Club will meet again.

It was reported that actress Heather Morris already said yes to appear in one or two episodes, although it is not final yet. Heather Morris just gave birth to her first born and was avoiding extensive acting roles in order to focus on motherhood.

Kevin McHale will definitely be back in the final season as he was spotted filming in New York with Lea Michele for the new episodes. "New York. New backpack. #AllBlackErrythang," he tweeted along with a photo.

Other members of the cast such as Dianna Agron (as Quinn Fabray), Chris Colfer (Kurt Hummel), Jessalyn Gilsig (Terri Schuester), Jane Lynch (Sue Sylvester), Jayma Mays (Emma Pillsbury), Kevin McHale (Artie Abrams), Lea Michele (Rachel Berry), Matthew Morrison (Will Schuester), Amber Riley (Mercedes Jones), Mark Salling (Noah Puckerman), and Jenna Ushkowitz (Tina Cohen-Chang) were also speculated to return for the final season.