There are two warning signs that indicate a show might not pan out:
1. Cop show in sf/f window dressing.
2. Premise that depends on some unstated mystery to hold the audience's interest.
Most of this year's sf/f pilots fall into one of those two categories - but that's true every year.
Here's some news on one of the shows that doesn't: The Selection's prince will be played by Gregory Peck's grandson.