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.
'Ray Donovan' Season 1 premiered on Showtime on June 30, 2013, while Season 2 of the show began on July 13, 2014. Both, Seasons 1 and 2 were wrapped in late September.According to Bustle, filming for 'Ray Donovan' Season 3 will start in early 2015, at the regular Calabasas locations.Ray Donovan' Season 1 premiered on Showtime on June 30, 2013, while Season 2 of the show began on July 13, 2014. Both, Seasons 1 and 2 were wrapped in late September.