is this a flop?

That was the sentiment last season, as well, but it got renewed...

It's far from awful but I do think it has a limited audience. Don't know if it will get a season 3 or not. That said its a lot better than many of the series on TV. I do think however it probably draws in an older audience and that's not what they look for when it comes to renewal. There are many great shows that get canceled and there are many horrible series that keep on going.

Aquarius does well in +3 and +7 Ratings, NBC online and streaming services, it is also the show that NBC are using as an experiment for what they can do with TV shows.

http://www.digitaltrends.com/movies/nbc-aquarius-season-2-premiere

It’s no secret that video streaming services have been pushing TV networks to re-examine how they bring their content to viewers and encouraging them to experiment with long-standing formats and formulas.

For its part, NBC has turned crime drama series Aquarius into its guinea pig in the past, and now plans to do it again. The network has revealed that the Charles Manson-themed show starring David Duchovny will premiere this summer with a two-hour, commercial-free episode.

NBC’s latest Aquarius experiment comes after its first season became the network’s first series available online for binge-watching following its series premiere. So far, NBC has kept data under wraps, as TV by the Numbers reports, but execs freely admitted that it was using the show to gain insight into viewership behaviors, patterns, and engagement