Episode #4.22 (season finale) promo photos April 30, 2009 News Click here for episode #4.22 (season finale) promo photos on SF Universe. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Reddit (Opens in new window) Related