EXCLUSIVE: The critically acclaimed historical drama series Underground, which aired for two seasons on WGN America, is heading to OWN: Oprah Winfrey Network. OWN said today it has acquired the series to air beginning Tuesday, January 5 at 9 p.m. ET/PT. The series, from Sony Pictures Television, will have a revitalized presentation on OWN, with newly filmed episodic introductions by cast members, never-before-seen behind the scenes footage and more, according to the network.