Watch part two
During the years of the Argentinean military rule in 1970s and 1980s, known as the "dirty war", thousands of protestors, communists, left-wing activists and anyone seen as an opponent disappeared.
The human cost was immense, but whilst many in Argentina and around the world campaigned for the thousands who disappeared, the children they left behind were forgotten.
In the last few years Argentina has begun to confront this grim past and seek justice against some of those responsible for the "dirty war".
Rageh Omaar is joined in the studio by Pederico Rodriguez, a victim of Argentina's military regime, imprisoned and tortured for three years and then exiled in London for nearly thirty years.
The Missing Generation Preview can be seen on Thursday, September 10 at the following times GMT: Thursday: 0830 and 1900; Friday: 0330, 1400 and 2330.
Source: Al Jazeera