Horizon
If Only They Could Speak (1969x2)
Udgivelsesdato: Jan 09, 1969
A report by Horizon examining animal intelligence and looking at the reasons why no other animal has matched man in mental ability.
- Premieret: Feb 1964
- Afsnit: 1206
- Følgere: 89
- Kørende
- BBC Two
- Torsdag på 21