Available exclusively to Xfinity customers, Now TV is a live and on-demand streaming service that comes with more than 40 live channels and a subscription to Peacock Premium at no additional cost. You can watch AMC, The Food Network, and Discovery on Now TV, and a wide array of NBC sitcoms, Sunday Night Football, and the Premiere League on Peacock. It costs $20/month (on top of a $20 internet subscription) and can be viewed simultaneously on up to three devices.