Jennifer Aniston Guest Starring on 30 Rock

Jennifer Aniston is returning to NBC for a guest appearance on 30 Rock, the same network that brought ten years of Friends into our living rooms.

The Associated Press said "there were no immediate details on the role Aniston will play - as herself or a fictitious character - or the episode's planned air date."

The New York-based series, which begins its third season in October, stars Tina Fey and Alec Baldwin in a behind-the-scenes, sometimes self-directed spoof of a television network and the huge corporation that owns it. The show has won a modest but devoted following, and critical raves. Awards include Golden Globes, a Peabody and last year's Emmy for outstanding comedy series.

Another of the six-member Friends troupe, David Schwimmer, had a 30 Rock guest shot last season.

30 Rock begins its third season in October, and stars Tina Fey and Alec Baldwin.