Doomsday (Doctor Who) conclusion of "Army of Ghosts". The concept of the Daleks and the Cybermen both appearing on-screen was first proposed in 1967, but was vetoed by Terry Nation, the creator of the Daleks. The episode is the first conflict between the two species in "Doctor Who"s -year history, and features Billie Piper's last appearance in the lead companion role as Rose Tyler; the final regular appearance of Noel Clarke as Rose's ex-boyfriend and previous companion Mickey Smith; and the final regular appearances of Camille Coduri and Shaun Dingwall as Rose's parents, Jackie and Pete Tyler. The episode and its predecessor were
The Runaway Bride (Doctor Who) the subsequent series of "Doctor Who". Henrik's, the department store Rose Tyler worked in, and an employee holding an advertising banner for it, are featured in the background of the scene where the Doctor uses the cashpoint. When the Doctor asks about Lance, he says, "He's not a bit overweight with a zip round his head, is he?" This is a reference to the Slitheen. In the series 4 episode "Turn Left", a world where the Doctor did not meet Donna Noble but still fought the Racnoss is shown. In that episode, it is shown that without Donna there to