I Do Do

"I Do Do" is the twenty-second episode and season finale of the fourth season of the American television comedy series 30 Rock, and the 80th overall episode of the series. It was directed by series producer Don Scardino, and written by series creator, executive producer and lead actress Tina Fey. The episode originally aired on NBC in the United States on May 20, 2010. Guest stars in this episode include Elizabeth Banks, Craig Castaldo, Matt Damon, Will Forte, Susan Heyward, Kristin McGee, Julianne Moore, Paula Pell, Michael Sheen, and Jason Sudeikis.

In the episode, Liz Lemon (Fey) meets the man of her dreams (Damon). Meanwhile, Jack Donaghy's (Alec Baldwin) love triangle with Avery Jessup (Banks) and Nancy Donovan (Moore) comes to a head. At the same time, NBC page Kenneth Parcell (Jack McBrayer) tries to avoid a promotion that would send him to Los Angeles, and Jenna Maroney's (Jane Krakowski) new relationship may be ruined after her boyfriend (Forte) falls for another woman.

"I Do Do" was generally, though not universally, well received among television critics. According to the Nielsen Media Research, this episode was watched by 5.5 million households during its original broadcast, and received a 2.8 rating/8 share among viewers in the 18–49 demographic. "I Do Do" received two Primetime Emmy Award nominations for Outstanding Directing for a Comedy Series and Outstanding Costumes for a Series.