Encyclopaedia Galactica
- Épisode diffusé le 14 déc. 1980
- 1h
Ajouter une intrigue dans votre langueCarl Sagan examines the possibility extraterrestrial life and discusses his skepticism about UFOs.Carl Sagan examines the possibility extraterrestrial life and discusses his skepticism about UFOs.Carl Sagan examines the possibility extraterrestrial life and discusses his skepticism about UFOs.