In addition to the twenty-four regular episodes in season one, a special, "Lost: The Journey", aired on April 27, 2005, to put the mysteries of the island and the characters in perspective in the lead-up to the season finale.
Ademais dos vinte e cinco episodios normais da tempada, houbo un especial, "Lost: A Viaxe", transmitido o 27 de abril de 2007, para poñer os misterios da illa e os personaxes en perspectiva antes de terminar a tempada.