FREE HBO & Cinemax Preview This Weekend (7/6 - 7/9) by Ken on July 4, 2018( Leave a Comment ) If you're a Comcast, Dish Network, Verizon FIOS (and others too) subscriber, check your local listings for a FREE Preview of HBO and Cinemax this weekend. Spread the word! This freebie is valid July 6th through July 9th. View All Freebies Share This Post On Facebook Twitter Email View all: freebies