Survivors of the Aberfan landslide that killed 116 schoolchildren meet the teachers who saved them, and the young mum whose newborn child was abducted is reunited with the woman who helped her survive 17 days of hell.
Survivors of the Piper Alpha oil rig disaster meet to share stories of their miraculous escape, and the nurses who made history when they helped set up the NHS are reunited after 50 years.
A woman meets the stranger who saved her life when the Herald of Free Enterprise capsized in 1987, and the choir handpicked to sing at the Queen's 1953 coronation are reunited after 60 years apart.
The children who lived through a terrifying plane hijack reunite to share stories of their escape, and the villagers who survived an underground explosion meet their rescuers.
Passengers and crew from Concorde's maiden flight share memories of flying supersonic and survivors of one of the country's worst mining disasters share stories of incredible escape.
Reunited in this episode - The first military band to have a top 20 hit - with the theme tune to the 1955 Dam Busters film, and the survivors of the Bradford City fire meet those who saved them.
Survivors of the worst civilian disaster of World War II are reunited to share stories of heroism and veterans of one of the UK's forgotten wars - Malaya - meet up after 60 years.
Survivors of the Ladbroke Grove rail disaster meet the emergency crews who saved them and a community honours the hero who risked his life to pull people from the floods of 1953.
Survivors of the Kegworth air disaster thank their heroes and the women of Doncaster who made footballing history come together for the first time in over 40 years.
In this episode, the civilians who found themselves in the middle of the Falklands War meet again, and a woman pulled from the rubble of a factory explosion gets the chance to thank the fireman who saved her.
The show bringing together people who share extraordinary memories returns. Things get under way as the survivors of the Marchioness pleasure boat disaster of August 1989 meet people who saved lives on the night of the incident, and World Cup ball boys from 1966 meet again at Wembley. Narrated by Jeremy Vine.
A survivor of the 1984 Brighton Grand Hotel bombing reunites with the fire fighters who saved him, before receiving a surprise from a special guest. Plus, the original Women's Institute Calendar Girls are reunited with the local TV producer who made them famous
The campaigners who helped bring about a law banning handguns in Britain after the Dunblane tragedy meet once more, and veterans from the 1948 Berlin airlift gather at RAF Coningsby to reflect on their efforts. Narrated by Jeremy Vine.
A Soho nail bomb victim meets the medical team from St Thomas' Hospital in London that saved his life, and former workers from the DeLorean sports car factory in Belfast revisit the past, before taking a classic car around a race track. Narrated by Jeremy Vine
Participants from the 2012 London Olympics opening ceremony meet once more before catching up with a gold medallist from the Games. Meanwhile, three decades on, protestors from the Greenham Common anti-nuclear weapons camp return to where it all happened
A miner who was arrested at the Battle of Orgreave during the 1984 miners' strike confronts policemen who were present on the day, and survivors of the 2004 Boxing Day Indian Ocean earthquake and tsunami show their footage from the disaster to a scientist at a leading tsunami research centre. Narrated by Jeremy Vine.
Liverpudlian painters and decorators who were part of Saddam Hussein's human shield in Iraq in 1990 are reunited. Four spectators who were at the first British Grand Prix in 1948 return to Silverstone for a nostalgic trip down memory lane.
Survivors of the Moorgate tube disaster in 1975 thank the fireman who saved them, before an emotional meeting with the daughters of the driver who died in the crash. Four men who met Muhammad Ali when he fought in Dublin in 1972 reflect on one of the greatest boxers of all time.
A survivor of the 1987 IRA Enniskillen bomb on Remembrance Sunday travels from England to thank the man who saved his life. Veterans from the first Notting Hill Carnival meet once more, before playing a tune on steel drums just like they did back in the 60s.
Survivors of the 1988 Clapham train disaster meet - and thank - heroes who saved lives that day. Labour Party members who were captured in the iconic photo of Tony Blair outside Number 10 in 1997 take a nostalgic trip to Downing Street before recreating the photo with the man himself - well, almost!
A British aid worker who led missions to rescue casualties in war-torn eastern Europe in the 1990s is reunited with one of the children she saved. A Clause 28 protestor who invaded the Six O'Clock News in 1988 is reunited with Nicholas Witchell back at the BBC.
The organisers of the 2012 Queen's diamond jubilee river pageant meet once more and retrace the route down the river. And one of the soggy choir singers from that rather rainy day does an encore - in somewhat drier conditions. Margaret Thatcher's driver and bodyguard - from when she left Downing Street for the last time - meet the photographer who took the iconic photo of the Iron Lady in tears.
Four people who were on the Empire Windrush - the boat that brought West Indians to the UK in 1948 - meet once more, before making an emotional return to the port of Tilbury where they docked all those years ago. People who met the Clintons when they travelled to Northern Ireland to revive the Peace Process in 1995 reflect on that historic visit in what was the most bombed hotel in Europe, the Europa in Belfast.
Eyewitnesses to the Lockerbie plane disaster in 1988 meet to reflect on a night that changed all their lives. The original Riverdance troupe, which wowed the world in the Eurovision Song Contest of 1994, don their dancing shoes once more.
Two couples who competed in the first international final of Come Dancing in 1974 take to the dance floor once more. But who will win this time, England or Wales? A survivor of the Ibrox stadium disaster meets three first aiders who saved lives, before returning to the ground to see how it has changed since that fateful day.
Former child refugees, moved to the Republic of Ireland and safety during the early days of the troubles, return to the army base where they were sheltered. Also, nearly 20 years on, the plucky film festival organisers who managed to persuade Stephen Fry to come to west Belfast get to hear his take on the trip.
A focus on the firemen who were caught up in the events of Bloody Friday. Bloody Friday in July 1972 was one of the darkest days of 'The Troubles'. A group of trainee firefighters were preparing to take part in their official 'passing out' ceremony, but the events of the day meant they would receive an initiation no amount of training could have prepared them for. They never got to pass out and more than 40 years on, they are reunited to right that wrong.
When Tony Blair's Labour party came to power in 1997, everyone expected change. But staff at Hillsborough Castle had no idea what to expect of the new secretary of state who was about to take up residence. They reunite to remember fondly Mo Mowlam and her family at the grand house and her occasional disregard for tradition and protocol.
Nearly 30 years after he was rescued from the sea on the north coast, Richard Shortland is reunited with the strangers to whom he owes his life. And student rebellion 1970s-style, through the eyes of the photographer who captured it all.
In 1999 documentary maker Jeremy Higham joined a group of Belfast charity workers on a mercy mission to a Moldovan children's home. The horror and neglect of what he filmed touched the lives of so many when the programme was broadcast. Nearly 20 years on, they return to find out what happened to those children.
In 1982, Northern Ireland's football team made it to the finals of the World Cup in Spain and, against the odds, caused a huge upset when they beat the host team. But little is remembered of their other winning success that year - the song they'd record to mark the historic moment. For one last time, players and singing sensation from the time Dana reunite to recall the time when Yer Man Hit the Ball and Northern Ireland had it all!
In 2011 a routine flight between Belfast and Cork ended in disaster when six of those on board lost their lives. The quick-thinking actions of the rescue teams on the ground meant others survived. And six years on, they are reunited and get a chance to say thank you to the people to whom they owe their lives.
In the 1950s a group of school children from Londonderry toured America coast-to-coast for three months performing concerts. They sang alongside Elvis Presley and played to a sold-out Carnegie Hall. More than 60 years on, they reunite for one last performance.