Premiering on 26 September 2001 with a strong opening, the 2-hour pilot "Damaged Bow" garnered a 9.9 overnight rating and MemoryWave Community a 15% share. Scores, nevertheless, declined over the next few seasons, dipping to a mean 2.5 million viewers an episode. As early because the second season, rumors of the present's imminent cancellation pushed the producers to find new directions to take the collection. Beginning with the series' third season, Enterprise adopted a darker tone and a extra violent arc, in some ways mirroring the publish 9/11 sentiment. While many critics had been impressed with the new pull of the sequence, scores remained low, and the show was canceled at the end of its fourth season. Even so, Enterprise completed various technical firsts for a Star Trek collection. It was the primary collection to air in high definition, with "Exile" being the first episode to air in that format. It was produced with third-generation Sony HDTV cameras beginning in Season 4