premise: Donna Noble is stationary.
hypothesis: Donna Noble is a fictional character in the long-running British science fiction television series Doctor Who . Portrayed by British actress and comedian Catherine Tate , she is a companion of the Tenth Doctor ( David Tennant ) . Within the series ' narrative , Donna begins as an outspoken Londoner in her mid-30s , a temp worker from Chiswick whose view of the universe is small in scope .