Granted special access to the secret workings of the Tube, and with the aid of the London Underground staff who know it best, engineer Rob Bell discovers the fascinating hidden history of how London's iconic metro was built.
|Title||Inside the Tube: Going Underground|
|First Air Date||2017-04-04|
|Last Air Date||2017-04-24|
|Episode Runtime||00 Hours 45 Minutes|
|Total Episode(s) on All Seasons||4|