CRIMINAL MINDS Season 4 Episode 19 “House on Fire” March 23, 2009 Criminal Minds Watch a sneak peek of Criminal Minds Season 4 Episode 19, “House on Fire” airing this Wednesday, March 25 at 9pm on CBS. Read all our Criminal Minds coverage. Episode Synopsis: CRIMINAL MINDS Season 4 Episode 19 “House on Fire” – The BAU team must track down a serial arsonist who instills fear in a small town by setting fire to community meeting places and killing several residents in the process, on CRIMINAL MINDS, Wednesday, March 25 (9:00-10:00 PM, ET/PT) on the CBS Television Network. 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)