Cory Monteith's addiction struggles began in his teenage years — and he purposely hid it from the public until the end of season 2

Several folks "didn't get it." Lea Michele and Cory Monteith are dating.

It was once said by Cory Monteith that he "wouldn't wish fame on my worst enemy."

The cast became competitive about who could amass the biggest following on social media.

A crew member recalls Cory Monteith's swift relapse and "path to destruction".

Glee lost not only 3 stars but also several crew members during its run.

Naya Rivera's dad warned her about the dangers of boating before her drowning