- Country: UK
- Genres: Documentary, Short, War
- Release: 1939-11-01
- Director: Pat Jackson , Humphrey Jennings , Harry Watt
- Writers: Robert Sinclair
- Language: English
- Stars: Robert Sinclair
- Runtime: 23 min
- Awards: N/A
- AKA: A City Prepares (United Kingdom) , The First Days (United Kingdom) , The First Days
- Plot: Londoners prepare for war.
- IMDB:tt0233732