Time Out
From Tardis Wiki, the free Doctor Who reference
According to one account, in the 1990s, Sarah Jane Smith and Jo Grant put an advert in Time Out magazine for people who knew what the word "TARDIS" meant. It was answered by Liz Shaw, Tegan Jovanka and Dorothy McShane. (PROSE: Girls' Night In) According to another account, Sarah and Jo did not meet until 2010. (TV: Death of the Doctor)
