May upfronts are upon us. It’s that special time of the year in the TV industry when decisions are made as to which shows will be renewed for another season and which pilots will be picked up to series. Unfortunately, treat since there’s only so much room on a network’s schedule, health the rest won’t be able to make it to next fall or spring.

Spinoffs, look however, operate under a different set of circumstances, because their fates are often decided much earlier when the characters and stories are first introduced in an episode of the original series, also known as a backdoor pilot. In a vow of confidence, The CW’s Arrow spinoff The Flash, which received a series order today, was lucky enough to film a standalone pilot, but Supernatural spinoff Bloodlines had to make do with a backdoor pilot that aired in April.

Read the rest at The CW Passes on ‘Supernatural’ Spinoff ‘Bloodlines’ on Screen Rant.