Sezon 8
Bölümler
1 The Ghosts of the Universe 10 Oca 1964 2 Signals from Jupiter 7 Şub 1964 3 Rock or Dust? 6 Mar 1964 4 Space Navigation 3 Nis 1964 5 Ancient and Modern 1 May 1964 6 Moon Gathering 5 Haz 1964 7 Midsummer Sense 26 Haz 1964 8 Quasars 24 Tem 1964 9 Red Giant, Yellow Planet, Blue Sun 21 Ağu 1964 10 Explosion in Space 18 Eyl 1964 11 How Old is the Earth? 11 Ara 1964