HEROES Season 3 Episode 20 “Cold Snap” March 21, 2009 Heroes Watch a sneak peek from HEROES Season 3 Episode 20 “Cold Snap” airing this Monday March 23 at 9pm on NBC. Watch any Heroes episode that you may have missed. Also read all our Heroes coverage also Episode Synopsis: HEROES Season 3 Episode 20 “Cold Snap” – HRG (Jack Coleman) convinces Emile Danko (guest star Zeljko Ivanek), a.k.a. “The Hunterâ€, to release Tracy (Ali Larter) from “Building 26,†in hopes that she will lead them to “Rebel.†As Angela (Cristine Rose) evades capture, she turns to an old friend (guest star Swoosie Kurtz) for help. In Los Angeles, Hiro (Masi Oka) and Ando (James Kyson Lee) continue on their latest mission from “Rebel†to protect the newest hero. Greg Grunberg, Sendhil Ramamurthy and Milo Ventimiglia also star. Brea Grant and David H. Lawrence XVII also guest star. Show Cast: Hayden Panettiere, Greg Grunberg, Masi Oka, Adrian Pasdar, Jack Coleman, James Kyson Lee, Zachary Quinto, Cristine Rose, Ali Larter, Dania Ramirez, Milo Ventimiglia, Sendhil Ramamurthy 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)