Torchwood Season 4 Episode 2. When a passenger plane from 1953 arrives in cardiff in 2007 due to the rift, the torchwood team try to help three temporal immigrants adapt a new life in the city. Doctor who 12 s09e08 the zygon inversion.
After the team are reunited, jack ends up realising that he is now the most vulnerable person on the planet. Rex takes the torchwood team back to the usa.