Talk:Terror of the Zygons (TV story)

"The departure of Harry while Sarah remains with the Doctor marks one of only two incontrovertible times a companion who had already been with the Doctor before another one joins remains with him after the second companion leaves."

Would Adam Mitchell be a third example, or is he in the "debatable" category? Sean Fennel ☎  18:13, October 18, 2012 (UTC)