Photos have been released from the 100th episode of "30 Rock," the television comedy series created by Tina Fey that airs on NBC. The series is loosely based on Fey's experiences as head writer for Saturday Night Live. 30 Rock takes place behind the scenes of a fictional live sketch comedy series depicted as airing on NBC; the name "30 Rock" refers to the address of the GE Building where NBC Studios is located, 30 Rockefeller Plaza. This series is produced by Broadway Video and Little Stranger, Inc., in association with NBC Universal.
Click below for photos from the episode.Photo Credit: Peter Kramer/NBC

Alec Baldwin as Jack Donaghy, Dean Winters as Dennis

Tracy Morgan as Tracy Jordan, Jane Krakowski as Jenna Maroney, Cheyenne Jackson as Danny Baker

Tracy Morgan as Tracy Jordan, Cheyenne Jackson as Danny Baker, Jane Krakowski as Jenna Maroney

Michael Keaton as Tom

Michael Keaton as Tom

Matt Lauer, Tracy Morgan as Tracy Jordan

Matt Lauer, Tracy Morgan as Tracy Jordan

Tina Fey as Liz Lemon

Alec Baldwin as Jack Donaghy

Tina Fey as Liz Lemon, Jack McBrayer as Kenneth Parcell, Alec Baldwin as Jack Donaghy

Tina Fey as Liz Lemon

Michael Keaton as Tom, Alec Baldwin as Jack Donaghy

Tina Fey as Liz Lemon, Alec Baldwin as Jack Donaghy

Michael Keaton as Tom, Scott Adsit as Pete

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