Find 815 is the second alternate reality game for the American Broadcasting Company's serial drama television series Lost. It began on December 28, 2007 and will conclude on January 31, 2008 with the premiere of the fourth season of Lost. The free registration ARG follows Oceanic Airlines IT technician Sam Thomas as he investigates the whereabouts of Oceanic Flight 815, of which his girlfriend Sonya was a stewardess. Lost previously hosted an ARG during the hiatus between the second and third seasons called the Lost Experience.