What is "do-over"

n. (context US English) A repeat of a previous activity, with the hope of greater success.

"Do-Over" is the first episode of the third season of the American television comedy series 30 Rock, and the thirty-seventh episode overall. It was written by the series' creator, executive producer and lead actress, Tina Fey and directed by series producer Don Scardino. The episode originally aired on the National Broadcasting Company (NBC) network in the United States on October 30, 2008. Guest stars in this episode include Will Arnett, Marceline Hugot, and Megan Mullally.

Liz Lemon (played by Fey) is being evaluated by Bev (Mullally) as a part of the adoption process while Jack Donaghy ( Alec Baldwin) returns from his job in Washington D.C. and tries to retake his position from Devon Banks (Arnett) at General Electric. Meanwhile, Jenna Maroney ( Jane Krakowski) grows angry with Tracy Jordan ( Tracy Morgan) for not compensating her for voice acting work on his successful adult video game.

"Do-Over" has received generally positive reception from television critics. According to the Nielsen Media Research, the episode was watched by 8.7 million households during its original broadcast, becoming 30 Rock's highest-rated episode, until the December 2008 episode " Christmas Special". "Do-Over" was nominated for an Art Directors Guild Production Design Award for "Single-Camera Television Series".