Eu não sei porque você acha que o final de Do No Harm não é o que pretendia ser. Eu não assisti ao programa, mas acho que o motivo pode ser o conflito entre a NBC e os donos do programa.
On November 12, 2012, NBC reduced its episode order for the series from 13 to 12 episodes, due to scheduling conflicts.
On February 8, 2013, it was announced that NBC had canceled the series after airing two episodes, due to low ratings. On April 26, 2013, NBC announced that the remaining episodes would be burned off, beginning June 29, 2013.- Wikipedia