Elizabeth Sladen made Sarah Jane Smith the quintessential Doctor Who companion and her appearances reflected the series' evolution.

She and the Doctor go way back. Everything about the latest epic! See the Doctor regenerate! ...of the Tenth Doctor. Get the latest updates Elisabeth Sladen Watch Episode Trailer BBC iD ...

Sarah Jane Adventures Series 1 (2007) - Prepare to be scared as one of Doctor Who’s most famous companions - Sarah Jane Smith - combats evil alien forces here on Earth. Starring Elisabeth Sladen.