Kai Owen's favourite Torchwood episode
Gwen (Eve Myles) Speaks the line "The things I have seen". Eve Myles also played Gwyneth in Doctor Who and uses a similar line "The things you've seen".
The original title for this episode was "Another Working Day".
Behind the driver's seat of Rhys' truck is a Welsh flag bearing a red dragon. That is 'Y Ddraig Goch', the official symbol of Wales.
This episode takes place in 2008.