"The Sarah Jane Adventures" is a British science fiction series that aired from 2007 to 2011, created by Russell T Davies. Starring Elisabeth Sladen as Sarah Jane Smith, a former companion of the Doctor, the show follows her adventures investigating extraterrestrial occurrences on Earth. Aimed at a younger audience, it combines thrilling alien encounters with themes of friendship and courage. The series is a beloved spin-off of "Doctor Who," offering engaging storytelling and memorable characters.