PHOTO CALL: A Sneak Peek at Upcoming "Glee" Episodes, "City of Angels" and "Trio," Featuring Demi Lovato and Adam Lambert

The hit Fox series "Glee" continues with weekly Tuesday installments. Here's a first look at the March 4 and March 11 episodes, entitled "Trio" and "City of Angels," respectively.

"Glee" is produced by Ryan Murphy Television in association with 20th Century Fox Television. Murphy, Brad Falchuk, Ian Brennan and Dante Di Loreto serve as executive producers.

Visit Fox.com/Glee.