S1 E2 ∙ At The Double ∙
With up to 400 trains a day on its 62 miles of track, the channel tunnel is the busiest railway system in the world - and doing things at the double is key to its success.
All episodes for series 1 of Channel Tunnel: Life On The Inside
S1 E3 · The Initial Idea
With the 25th anniversary under way, a mural is being painted at each end of the tunnel.
S1 E4 · What Goes Around...
The next batch of wannabe shuttle drivers has just arrived for the first round of testing.
