Here's an all new poster for tonight's episode of ‘DC’s Legends Of Tomorrow,’ titled "White Knights"  Official Synopsis: “White Knights” — (8:00-9:00 p.m. ET)(HDTV) STEPHANIE CORNELIUSSEN (“MR. ROBOT”) GUEST STARS AS VALENTINA VOSTOCK – When Vandal Savage (guest star Casper Crump) retreats behind the Iron Curtain in the early 1980s, a string of nuclear scientists begins to … Continue reading New Poster Tonight’s Episode Of ‘DC’s Legends Of Tomorrow’ – “An Epic Race Against Time”