Calling All Aliens

• 2007
• Ended
• Documentary
• ~52m / ep
• 1 season

It's one of the great mysteries of life - and perhaps the most intriguing question humans have: Are we alone? Or do we have unknown relatives on distant planets? And if yes - where are they? A group of scientists tries to find answers to these questions - SETI, the Search for Extraterrestrial Intelligence.