Carter and his crew first encountered the Eleventh Doctor in Berlin, 1938, shortly before the Second World War. Carter had arrived there with the intention to give Hitler hell, but was interrupted when the the Doctor's TARDIS, with the Doctor, Amy, Rory and Mels crashed into Hitler's office. When they saw Mels, who had regenerated, they recognised her as Melody Pond and stopped their pursuit of Hitler to punish her instead; knowing that she was the woman who would kill the Doctor. They were thwarted by her parents, Amy and Rory, who after being minaturised into the Teselecta, turned off the devices protecting the crew from the ship's antibodies. The crew teleported to a spaceship above the Earth, abandoning the Teselecta, which was used to show Melody that she would become River Song, a go