NBC has ordered a second season of its 1960s drama "Aquarius," which stars David Duchovny as an LAPD cop on the hunt for Charles Manson.

The drama was the first broadcast series to be streamed in its entirety, with the network making all 12 episodes available online following its May 28 premiere.

"With its riveting drama and innovative release strategy, 'Aquarius' has excited the critics, hooked millions of viewers and energized our summer," NBC Entertainment President Jennifer Salke said in a statement. "It's no secret that the way people watch television is evolving, so we took a unique approach to how we delivered 'Aquarius' and it's driven some record numbers for NBC Digital and helped us reach viewers who might have otherwise overlooked a great summer drama."

Airing Thursdays on NBC, "Aquarius" also stars Emma Dumont, Grey Damon, Gethin Anthony and Claire Holt.