It was the worst mass shooting in U.S. history, and now we know exactly how it happened.
[Image via AP Images.]
Sometimes a glee club must choose between good and evil.
Next week, the cast of Glee will be faced with just choice!
Press PLAY (above) too meet the super hero alter-egos of Mckinley High aaaand the villain that's trying to destroy them!
Spoiler Alert: the villain is not Sue. HA!
After you watch the epic trailer CLICK HERE to watch a sneaky peek at Thursday's episode!