The Ritz Theatre was a cinema located on Totter's Lane in Shoreditch, London. In 1963, the First Doctor and Susan Foreman visited the cinema to watch a film about the fall of Rome. After the Doctor rudely and repeatedly pointed out inaccuracies within the film, Mrs. Smith, an usherette, told them both to leave, with the duo walking away together in the direction of a junkyard.
At some point after 1963, the Ritz Theatre was demolished, with flats being built in the space it once occupied
In early 2005, an 81-year-old Mrs. Smith wrote about her encounter with the Doctor on the conspiracy website Doctor Who?. (PROSE: Have You Seen This Man?)