Saturday 1st September, C4, 8pm
1.3 M Viewers, 6.1% Audience Share
The reliable Alive strand ends with the tale of Blake Stanfield and his father Neil, whose rafting holiday on an Alaskan river hits a snag when they slam into an ice shelf and lose the raft. It's almost as if they're trying to get into a gripping Saturday-night drama doc: they haven't got a radio or a phone, Neil's 65 with a dodgy ankle, the place is bristling with bears, and there's nobody else about because the rafting season hasn't started yet. (It hasn't started yet because everyone else is waiting for the ice shelves to melt.) As Blake decides whether to stick with his ailing dad or risk hiking 60 miles for help, we're treated to the usual suspense, terror, relief and tears in that order, as superb narrator Zam Baring outlines a series of outrageous misfortunes with understated relish.