TOS 2×13 ‘Obsession’ Trailer Star Trek The Original Series Season 2 Episode 13 ‘Obsession’ Trailer ENT 2×13 ‘Dawn’ TrailerDateDecember 27, 2010In relation toعالم الانترنتVOY 2×13 ‘Prototype’ TrailerDateNovember 26, 2010In relation toعالم الانترنتTOS 3×13 ‘Elaan of Troyius’ TrailerDateSeptember 26, 2011In relation toعالم الانترنت