It only took one episode to convince showtime it wanted more of its new nurse. According to Variety, Nurse Jackie was renewed for a second season after just one episode.

Monday night's series premiere was the most-watched series premiere in network history, with 1 million viewers tuning into the premiere and another 350,000 who watched the same-night repeat of the pilot.

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Showtime swiftly ordered another 13 episodes of the series, which stars Edie Falco as the title character, after viewing the overnight numbers. The series did get a solid lead-in help from the fifth season premiere of Weeds, which scored 1.7 million viewers.