NUMB3RS “High Exposure” (Season 5 Episode 1) – Premiere October 1, 2008 Numb3rs Check out a promo from NUMB3RS‘s season 5 premiere episode, “High Exposure” Friday, Oct. 3 (10:00-11:00 PM, ET/PT) on CBS. Read all our NUMB3RS coverage here. Episode Synopsis: “High Exposure” – Don and his team hunt for the killers of two rock climbers found in possession of a large diamond. Also, Charlie decides if he should try to get his FBI clearance reinstated, and a new agent joins the team. 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)