'Glee' prepares for Cory Monteith tribute episode: Saddest TV tribute?

It's hard to say goodbye, but "Glee"  has got to do it. The popular FOX program's tribute episode for Cory Monteith, who played Finn Hudson on the show, will air this Thursday.


"Glee" executive produce Ryan Murphy admitted that it was incredibly hard to shoot the tribute episode for Cory, who died of a drug overdose earlier this year at the ripe age of 31.

"I've never seen a crew where you can't continue shooting because they left the room sobbing," Murphy said. Still, the show must go on and the cast and crew got through the heartbreaking episode, which will be called "The Quarterback."

The tribute episode is sure to incite tears among "Glee" fans everywhere. But those heartbroken by Cory Monteith's untimely death aren't the only ones mourning. Fans of Michael Jackson, Whitney Houston and other stars who suddenly passed have also gone through a tough time.

What's been the most heartbreaking TV tribute of a fallen star to date?