Bing found the following results
Metropolis movie review & film summary (1927) | Roger Ebert
Metropolis | Rotten Tomatoes
Metropolis (1927) - Metropolis (1927) - User Reviews - IMDb
Metropolis | Drama films | The Guardian
Metropolis - Movie Reviews | Rotten Tomatoes
Metropolis (1927) - IMDb
The Full ‘Metropolis’ - The New York Times
Metropolis (1927 film) - Wikipedia
Metropolis (1927) - Metacritic reviews - IMDb
Mark Kermode reviews Metropolis (1927) | BFI Player - YouTube