Space ( channel ) Space ( or SPACE ) is a Canadian broadcasting channel which is owned and operated by , a large telecommunications and media corporation . Its primary programming includes science fiction , fantasy , and horror - related series and documentaries . The station debuted in October 1997 with an airing of the film . All six of the " Star Trek " television shows have been broadcast or re - run on the channel . The channel also airs marathons of the around Christmas and during the summer months . The station was notable for being the only channel in the world to air all five live - action " Star Trek " series together on a regular Monday - to - Friday schedule for a number of years . However , other stations and networks such as the United States based Heroes & Icons have since accomplished this . " Star Trek " broadcasts . After years of airing all five live - action series ( and periodically , ) , was dropped in 2007 and was replaced by its remaster ed version in November 2009 . re - runs ceased in September 2011 . In early July 2012 , was removed from the summer lineup , leaving the remastered " Original Series " and as the only " Star Trek " series left on Space . However , " The Next Generation " began to air again in September 2012 where it replaced " The Original Series " on the schedule . The first season of " The Next Generation " began to be shown in its high - definition remastered format at this time . A marathon of " The Original Series " was aired on Space in March 2015 in remembrance of Leonard Nimoy . On 26 February 2016 , " The Next Generation " and " Voyager " aired for the last time on Space for six months . Both shows ' episodes had run sequentially from Monday to Friday starting at 4 : 00 pm EST and were replayed twelve hours later . This marked the first time that Space had not aired a " Star Trek " program as part of its regular schedule in many years . Beginning on 1 September 2016 and culminating on Labour Day , Space aired a ten - hour marathon each day celebrating the franchise ' s 50th anniversary with airings of each series ' most popular episodes . The marathon started with " Enterprise " which was followed by " Deep Space Nine " , " Voyager " , " The Next Generation " , and " The Original Series " . All five live - action " Trek " series were restored to the channel on 6 September 2016 . On weekdays , " Enterprise " and " Deep Space Nine " aired in the morning while " The Original Series " , " The Next Generation " , and " Voyager " aired in the afternoon with repeat broadcasts later at night . A movie marathon featuring the first ten " Trek " films was shown during the holiday season of 2016 . In early 2017 , a three hour block of " Star Trek " episodes were added on Friday nights . These episodes follow a particular theme , such as those involving time travel or a particular species . Episodes of " The Big Bang Theory " were later added before this block was discontinued . Further changes were made in March , 2017 when Space removed airings of individual shows five days a week , and replaced them with a four - hour block of shows weekdays starting at 2 pm , with only one show airing each weekday . " Enterprise " airs on Mondays , " The Next Generation " on Tuesdays , " Voyager " on Wednesdays , " Deep Space Nine " on Thursdays , and " The Original Series " on Fridays . This was later altered in September 2017 when the block was pushed back an hour , and " Enterprise " and " The Original Series " switched days . The premiere episode of " Star Trek : Discovery " aired on Space , simulcasted with CTV and CBS . Unlike the latter two , the second episode of the series aired after the conclusion of the first episode . New episodes continue to air first run on Space Sundays at 8 pm EST . InnerSPACE . InnerSPACE , Space ' s daily genre news program , frequently features " Star Trek " productions and its cast members . The show also produced the " " television special in 2009 .