After purchasing the series and ordering a pilot, ABC picked up FlashForward for thirteen episodes in May 2009. On October 12, 2009, ABC picked up the series for a 22-episode season. ... On May 13, 2010, it was reported that FlashForward would not be renewed for a second season because of the decline of viewers.

Why was FlashForward discontinued?

Over on Quora, someone asked why FlashForward was canceled, and someone else replied with an answer that was partially right but significantly wrong. That answer: The Lost curse. In the 6 years that Lost was on the air, ABC failed at using that monster hit to launch any new shows.

Did FlashForward have an ending?

In May 2010, ABC announced that FlashForward had been cancelled. The season finale for Season 1 was shot before it was known the show would be cancelled and showed another flashforward event happening more than 20 years in the future.