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
815 series 815 series The 815 series is an AC electric multiple unit (EMU) train type operated on local services by Kyushu Railway Company (JR Kyushu) in Japan since 1999. The 815 series was the first aluminium-alloy EMU to be ordered by JR Kyushu, and was designed to be lighter than the earlier 813 series design. The trains were introduced on "wanman" driver only operation services, replacing ageing 423, 457, and 475 series rolling stock. A total of 26 2-car sets (52 cars) were delivered to Kumamoto and Ōita depots between May and October 1999. Kumamoto set N015 was renumbered N027 in