BETHPAGE, N.Y.--(BUSINESS WIRE)--Cablevision and Home Box Office (HBO) announced today that they have reached an agreement to offer standalone streaming service HBO NOW to Optimum Online customers via the internet. Optimum is the first cable provider to partner with HBO to offer the new service, which is expected to launch in April in time for the fifth season of Game of Thrones. Kristin Dolan, Cablevision chief operating officer said: “As New York’s premier connectivity company, we are enablin