Unsealed: Alien Files

Season 4 Episode 18: Alien Communications

Scientists and Ufologists are scouring the vast regions of space for signs of extraterrestrial life. But if it takes millions of years for light from distant stars to reach Earth, how long could it take for aliens to answer our call?

Genre:

Documentary, Reality

Seasons:

4

Episodes:

82

Cast:

Quality:

HD

Duration:

20 min

First Air:

2012

Rating:

6.9