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.
âRay Donovanâ Gets Season 4 Premiere Date; Unveils Teaser Trailer & Key Art. Showtime has booked Sunday, June 26 for the premiere of its 12-episode fourth season of Ray Donovan. The hit drama series starring Liev Schreiber as LAâs best professional fixer will debut at 9 PM on-air, on demand and over the Internet.