[7] Episode 3 (Emergency Response) looks at the trauma caused to drivers when passengers fall or jump in front of a train.

[8] Episode 4 (Upgrading the Tube) looks at reliability issues following the introduction of new trains on the Victoria line and the knock-on effects caused by the failure of a newly installed signal.

Other stories included the work of a pest controller at Hounslow Central, and a visit to the disused Down Street by a member of the emergency response team.

[11] Grace Dent of The Guardian called it "fantastic three-part (sic) exploration of London Underground, which offered many remarkable moments".

[12] Christopher Hooton came to a similar conclusion, when he wrote in the Metro: "Surprisingly then, The Tube was actually a pretty entertaining and enlightening hour.