The time has come my fellow “Gleeks” to say to goodbye to the graduating class of GLEE.

In tomorrow night’s season finale aptly named “Goodbye”, McKinley and the New Directions say goodbye to Finn, Rachel, Puck, Mercedes, Kurt, Quinn, Mike C, and Santana.  The sure to be tear inducing episode will also get one last special guest star treatment as musician Gloria Estefan shows up as Santana’s mother.

Songs for tomorrow night will include the now graduation staple “Good Riddance (Time of Your Life)”, “Forever Young”, “I’ll Remember” and more.

You can see photos and watch a sneak peek of the episode below.

GLEE:

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GLEE: Mercedes (Amber Riley, L) and Rachel (Lea Michele, R) perform for their under classmates in the "Goodbye" season finale episode of GLEE airing Tuesday, May 22 (9:00- 10:00 PM ET/PT) on FOX. ©2012 Fox Broadcasting Co. CR: Mike Yarish/FOX

GLEE “Goodbye” airs tomorrow night at 9pm ET after American Idol on FOX