Totteridge and Whetstone station can be found one stop short of the end of the High Barnet branch of the Northern line - not on the Bakerloo line as we may have once thought. Once we realised where the station was, we discovered it had an unexpectedly fascinating history, including uncompleted 1930s tube extension plans, social housing, lizards, a hospital for the railway company's horses, Soviet spies, and possibly a captive Nazi!

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References - owing to the number of sources referenced for this episode, we have listed them in a PDF document linked below.

https://drive.google.com/file/d/1CkoV7g4XRXnIbAMRV4iu8rlW50J2pT8c/view?usp=sharing