Video på http://www.bbc.co.uk/news/uk-england-london-20759707A steam train built more than 100 years ago took to London's Underground system at the weekend.
Transport for London is operating a service on 13 January to commemorate 150 years since the first London Tube journey.
A test run took place in the early hours of Sunday morning in preparation for the 300 passengers who applied for tickets through a ballot.
/Marcus