
S01E01 Episode 1
The network is close to maximum capacity with 35 degrees above ground and much higher below. And there's also a trespasser on the line - a terrified German Shepherd.
London's 13 professional football clubs present a huge logistical challenge particularly when the season's final Premier League matches kick off simultaneously.
Following the work of Transport for London, finding out how thirty-thousand staff on the frontline and behind the scenes keep the city's public transportation system moving.