they, on OCCOASION, have some eps free over at cbscheck back from time to time and see if they change.
http://www.cbs.com/shows/star_trek/
http://www.cbs.com/shows/star_trek_deep_space_nine/
http://www.cbs.com/shows/star_trek_the_next_generation/
http://www.cbs.com/shows/star_trek_voyager/
http://www.cbs.com/shows/enterprise/
http://www.cbs.com/shows/star-trek-discovery/
quick looks is all
http://www.cbs.com/shows/star_trek_animated/
none for NOW
http://www.cbs.com/shows/star_trek/
http://www.cbs.com/shows/star_trek_deep_space_nine/
http://www.cbs.com/shows/star_trek_the_next_generation/
http://www.cbs.com/shows/star_trek_voyager/
http://www.cbs.com/shows/enterprise/
http://www.cbs.com/shows/star-trek-discovery/
quick looks is all
http://www.cbs.com/shows/star_trek_animated/
none for NOW