A profile of the Men's 100-meter final at the 1988 Summer Olympics and the lives of the eight men who participated, including Ben Johnson (whose world record of 9.79 seconds was annulled after he tested positive for anabolic steroids) and Carl Lewis (who was awarded the gold medal after Johnson's disqualification).

George Best, Northern Ireland's legendary star, remains one of the most naturally gifted soccer players ever. Best's skill and exuberance lifted Manchester United, but his career was essentially over before he turned 29, the result of his battle with alcoholism.

Part 1 of 4. The life of South African Paralympic sprinter Oscar Pistorius, from his childhood during the last days of apartheid, to worldwide celebrity as the first double-leg amputee to compete in the able-bodied Olympics, to his conviction for killing his girlfriend.

Part 2 of 4. The life of South African Paralympic sprinter Oscar Pistorius, from his childhood during the last days of apartheid, to worldwide celebrity as the first double-leg amputee to compete in the able-bodied Olympics, to his conviction for killing his girlfriend.

Part 3 of 4. The life of South African Paralympic sprinter Oscar Pistorius, from his childhood during the last days of apartheid, to worldwide celebrity as the first double-leg amputee to compete in the able-bodied Olympics, to his conviction for killing his girlfriend.

Part 4 of 4. The life of South African Paralympic sprinter Oscar Pistorius, from his childhood during the last days of apartheid, to worldwide celebrity as the first double-leg amputee to compete in the able-bodied Olympics, to his conviction for killing his girlfriend.