What Was the Iran-Contra Affair?

Seventy three seconds after take off the Space Shuttle Challenger encounters unexpected disaster. Find out more in this clip from Season 1, "Challenger Disaster."

On January 28, 1986, the tenth mission of the space shuttle Challenger ended in tragic disaster. We remember the seven astronauts who lost their lives that day, including Christa McAuliffe, who was chosen by NASA to pioneer its Teacher in Space program.

During World War II, as a deadly bacterial disease spread across the Eastern Front, Nazi officials turned to controversial measures in a desperate effort to develop and mass-produce a vaccine for millions at risk.

Disguised as ordinary businessmen in 1960 Buenos Aires, a covert team tracks down Adolf Eichmann, one of the chief architects of the Holocaust, and undertakes a daring mission to kidnap him and bring him to Israel to face justice.