Tabula Rasa (Lost) injuries he sustained during the Oceanic Flight 815 plane crash. The episode when broadcast in the United States was viewed by 16.54 million people and received mixed reviews from critics. It is the first episode to feature a 'Previously on Lost' segment, a clip shown at the beginning of each episode summarizing the recent events of the show. The episode receives its name from the philosophical idea of "tabula rasa", meaning blank slate, a concept which is brought in one of the episode's final lines, when Jack tells Kate that all of the Flight 815 survivors should be allowed to
Danielle Rousseau crew picked up a radio signal emanating from the South Pacific, which was a repeating set of six numbers: 4, 8, 15, 16, 23 and 42. While attempting to find the source of the signal, the ship ran aground on rocks surrounding the island. Before reaching the shore, Rousseau and her team found Oceanic 815 survivor Jin-Soo Kwon (Daniel Dae Kim) in the water, who had been time-travelling as a result of the time shifts which had been moving him and the flight survivors through the island's history. Rousseau later tells the survivors of Oceanic 815 that two months after