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
Doctor Who: Children in Need coordinates for her council estate on Christmas Eve, offering her the choice to stay with her mother, Jackie Tyler, or continue her travels with him. Suddenly, the Doctor suffers a form of seizure, expelling glowing energy from his mouth, and the TARDIS shudders as if in sympathetic response. The Doctor tells Rose the regeneration is going wrong and starts to act maniacally, throwing switches on the TARDIS console and ranting about increasing speed as the sounds of the Cloister Bell start ringing through the console room. As Rose hangs on to the console for dear life, the TARDIS heads for