Giles Coren tries three extreme diet regimes in a bid to increase his life expectancy.
4/15 Doctor Andy is scrambled to the aid of a jillaroo.
3/15 Pilot Kevin rescues a settler from Wales who is critically ill on his yacht.
8/15 Flight nurse Sue looks after a farmer crushed by a hay bale.
1/2 Louis immerses himself in the world of Ohio's state psychiatric hospitals.
1/15 Pilot Kevin is called to a suspected gangland revenge attack.
A team led by Lenny Henry gives a full makeover to a rural health centre in Uganda.