The actor asked to depart the show in season 5 but was told he needed to stay for a tragic reason.
The 'Glee' star died in 2013 after an accidental overdose.
'The Price of Glee' details drama on and off set of the Fox series, from Lea Michele's alleged behavior to Cory Monteith's death.
The controversial Investigation Discovery series is now streaming. Here’s how you can tune in
'The Price of Glee,' a the three-part docuseries on ID, pulls back the curtain on the hit series and the tragedies surrounding it.
The 3-part docuseries premieres on ID Jan. 16.
The actress paid tribute to the late actor with an emotional performance in his memory.
The 'Glee' star died on July 13, 2013. He was 31.
'The Girl From Plainville' depicts Michelle Carter's obsession with 'Glee' with a musical performance of 'Can't Fight This Feeling.'
The actress also reunited with her 'Glee' co-star, Jonathan Groff.
The 'Glee' actress penned a new heartfelt tribute commemorating Rivera, who died earlier this month.
Monteith’s mom, Ann McGregor, shared two photos of her late son with Rivera along with a heartfelt message about their friendship.
The actress was found dead on the seventh anniversary of Cory Monteith's death.
Naya Rivera's death isn't the first heartbreaking incident that the cast has been hit with over the years.