Matt Busby's faith in youth earns league titles in 1956 and 1957.
United meet Red Star Belgrade in the 1958 semi-finals.
Disaster strikes as United's plane crashes on take-off in Munich.
On 6 February 1958, a charter plane carrying 44 people crashed after refuelling at Munich Airport.
The accident claimed 23 lives, among them eight Manchester United players and three club officials, all of whom were returning from Yugoslavia, where Matt Busby's side had beaten Red Star Belgrade 5-4 on aggregate the previous day to reach the European Cup semi-finals.
Here, on ManUtd.com, we offer you MUTV's much-heralded Munich documentary in nine parts.
We hope you take the time to watch the videos and learn more about an indelible part of United's history. We will never forget.
More: Munich Remembered