Airings
During the first and second seasons, NBC aired the show on Sundays at 8:00 PM. During the second season, NBC would begin preempting the show in favor of NBC Sports coverage. NBC had originally planned to cancel seaQuest DSV partway through the second season in favor of another show about a "high-tech truck" entitled Rolling Thunder. However, NBC executives were unimpressed with the new show's development and kept seaQuest DSV in production. Shortly before the third season was to premiere, the second season episode "Blindsided" was finally aired after being preempted twice. During the third season, NBC moved the show to Wednesdays at 8:00 PM; but, continued to frequently preempt the show in favor of sports coverage and other television specials. Several of the show's producers, including Carleton Eastlake, believe these preemptions led to the show's cancellation.
Currently, seaQuest DSV does not air in syndication or re-runs. After cancellation, the series aired on the Sci-Fi Channel in the United States for a number of years as well as Space: The Imagination Station in Canada, both of which aired marathons of the series on occasion.
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