Alien Worlds
S9, E4: The ancients believed that the universe consisted of countless worlds, and argued over whether they might be inhabited.
Information
- Released
- 2015
- Run Time
- 41 min
- Rated
- PG
- Region of Origin
- United States
- © 2015 A+E Networks. All Rights Reserved.
Languages
- Original Audio
- English
- Audio
-
English (United States) (AAC)
- Subtitles
-
English (CC)
Accessibility
- Closed captions refer to subtitles in available languages with the addition of relevant non-dialogue information.