Sarah-Jane was a version of Sarah Jane Smith that existed on a parallel Earth. She was the companion of the Doctor. She once encountered her N-Space counterpart along with her Doctor. (COMIC: Who's Who?) Retrieved from "https://tardis.fandom.com/wiki/Sarah-Jane_(Who%27s_Who%3F_Earth)?oldid=2762064" Categories: 20th century individuals Alternate Earth individuals Human criminals Companions of the Doctor Human travellers between universes Humans who have been inside the Doctor's TARDIS The Doctor's human companions + cat Cancel Save Community content is available under CC-BY-SA unless otherwise noted.