MEDIUM “The Medium is the Message” Season 6 Episode 4 October 15, 2009 Medium Watch a sneak peek of MEDIUM “The Medium is the Message” Season 6 Episode 4 airing Friday October 16 at 9pm on CBS. Episode Synopsis: MEDIUM “The Medium is the Message” Season 6 Episode 4 – When Allison begins having visions of strange symbols, she thinks it could be the after-effects from her brain surgery, but those symbols might hold the key to discovering the identity of a notorious serial killer, on MEDIUM, Friday, Oct. 16 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Read all our Medium coverage here. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Google+ (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pocket (Opens in new window)