A collection of powerful programmes about heart-rending real-life stories.
A soldier hit by an IRA mortar in 1987 hopes to thank his rescuer.
A leukaemia survivor wants to thank her donor in person.
A man wishes to thank those who rescued him when a tsunami struck in Thailand.
Two couples who competed in the first final of Come Dancing take to the dance floor.
Eyewitnesses to the Lockerbie plane disaster meet to reflect on the fateful night.
Four people who were on the Empire Windrush in 1948 return to the port of Tilbury.
The organisers of the 2012 Queen's diamond jubilee river pageant meet again.
An aid worker who led missions in eastern Europe meets one of the children she saved.
Survivors of the 1988 Clapham train disaster meet heroes who saved lives that day.
A survivor of the 1987 IRA Enniskillen bomb thanks the man who saved his life.
Four spectators who were at the first British Grand Prix in 1948 return to Silverstone.
Survivors of the Moorgate tube disaster in 1975 thank the fireman who saved them.
A miner who was arrested during the 1984 miners' strike meets policemen who were there.
A Soho nail bomb victim meets the London medical team who saved his life.
Participants from the 2012 London Olympics opening ceremony meet once more.
The campaigners who helped bring about a law banning handguns in Britain meet once more.
A survivor from the 1984 Brighton Grand Hotel bombing meets the firefighters who saved him