Definition of checksum. : a sum derived from the bits of a segment of computer data that is calculated before and after transmission or storage to assure that the data is free from errors or tampering.
The production of season 4 is scheduled to start June 20, 2016, thus we wonât see anything from the new season this year. The Ray Donovan project was awarded by a great name from the Showtime president, who called their top show as the channelâs signature series.
The ratings are typically the best indication of a showâs chances of staying on the air. The higher the ratings, the better the chances for survival. This chart will be updated as new ratings data becomes available. 8/12 update: Showtime has renewed Ray Donovan for a fifth season. Details here.