Professor Celeste Rivers was a senior scientist working at the Pharos Institute.
In 2009, she thanked Sarah Jane for not telling anyone about the incident with Goss, which could have destroyed the institute. Later, unofficially, she permitted Sarah Jane to take away a fragment of the Weserbergland meteorite kept at the institute. (TV: The Day of the Clown)
Later in the year, she conducted a paranormal investigation at Ashen Hill Manor, aided by Sarah Jane, Clyde Langer, Rani Chandra, and her assistant, Toby Silverman. During this time, she was displaced by Erasmus Darkening's machine. She was returned when Sarah shut off the machine, with no memory of her time away. (TV: The Eternity Trap)
Behind the scenes
- Although it had previously been confirmed by the production team, her first name was not actually mentioned on-screen until The Eternity Trap.
- Plans were underway for Professor Rivers to return to the screen in the Sarah Jane Adventures Series 5 story The Battle for Bannerman Road, but the passing of Elisabeth Sladen resulted in the story being scrapped.