Alien (film)
Alien was a science fiction movie. Toshiko Sato compared the body of a dead soldier with his heart ripped out to scenes and characters from the movie. (TW: Greeks Bearing Gifts)
The Doctor referenced Alien and its sequels whist imprisoned within Area 51. The Viperox Queen and her eggs bore similarities to that of the Alien Queen and her eggs, as seen in the film's sequel, Aliens. (DW: Dreamland)
Jason Kane compared the reproductive cycle of the Charrl to the Aliens in the film. (BFBS: Birthright)
Izzy Sinclair compared being chased by the Daleks and their Contagium to being "an extra in an aliens film". The Doctor wryly agreed. (DWM: Fire and Brimstone)