The teams head for the fourth checkpoint, the remote outpost of Churchill, on Hudson Bay. The only transport is a twice-weekly train, and they have just three days to catch it. Show more
Discover 11,128,835 listings and 277,853 playable programmes from the BBC
The teams head for the fourth checkpoint, the remote outpost of Churchill, on Hudson Bay. The only transport is a twice-weekly train, and they have just three days to catch it. Show more