Timestamp #198: The Sontaran Stratagem and The Poison Sky
Doctor Who: The Sontaran Stratagem Doctor Who: The Poison Sky (2 episodes, s04e04-e05, 2008) The Undefeated meets his match on Earth. The Sontaran Strategem Reporter Jo Nakashima is physically thrown out of Rattigan Academy by Luke Rattigan and his students. Jo threatens to find someone who will listen