Episode 2

S01E02·7.1·February 17, 2007·1h·U&W

Mammoth spiders attack the London Underground, but in the darkness of the tunnels lies something more sinister still.

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#5In Season 1of 6 rated episodes

#17All-timeof 36 rated episodes

−0.5vs season avgSeason 1 averages 7.6

2007First airedFebruary 17, 2007

Guest stars

Mark Wakelingas Captain Tom Ryan

Jake Curranas Tom

Stephanie Streetas Dr. Lewis

Emily Dobbsas Woman on Tube

Cilla WareDirector

Adrian HodgesWriter