RIVIERA Stream on Sundance Now. What would you do if your billionaire husband was blown up on a Russian yacht? Most of us probably won’t ever have to answer the question. But that is the circumstance that Georgina, a Midwestern expat and art dealer played by Julia Stiles, found herself in at the beginning of Season 1 of this series, which was created by Neil Jordan. Georgina’s response was to wade into a seedy, big-money underworld looking for answers. She continues her plunge Season 2. The series “has all the ingredients of the international melo-thriller,” Mike Hale recently wrote inThe Times, “and because it’s a Neil Jordan project, it’s more voluptuous than most (if no more coherent or plausible).”

STRANGE ANGEL Stream on CBS All Access. Rockets, World War II-era America and a sex magic cult : these are the ingredients that fuel “Strange Angel,” a series based on the life of Jack Parsons, a Southern California rocket engineer who was behind technological breakthroughs in the years surrounding World War II — and also had an interest in the occult. The second season kicked off last week.