 <translate> The important part for answering this question is: The first season of Supernatural, an American fantasy horror television series created by Eric Kripke, premiered on September 13, 2005, and concluded on May 4, 2006 after 22 episodes. The answer is September 13 , 2005. <yor> Apakan pataki fun idahun ibeere yii ni: Akoko akọkọ ti Supernatural, American fantasy ẹru tẹlifisiọnu jara ti a ṣẹda nipasẹ Eric Kripke, ti iṣafihan ni Oṣu Kẹsan Ọjọ 13, Ọdun 2005, o si pari ni Oṣu Karun Ọjọ 4, Ọdun 2006 lẹhin awọn iṣẹlẹ 22. Ìdáhùn náà ni September 13, 2005. 