1965 aired between 15 Jan 1965 and 03 Dec 1965, 13 episodes.
Episodes
E01
Unwelcome Atmosphere
15 Jan 1965
E02
Up in a Balloon
12 Feb 1965
E03
Lava or Dust?
12 Mar 1965
E04
Ancient Lore
02 Apr 1965
E05
Naked Eye Astronomy
30 Apr 1965
E06
How Long is a Day?
04 Jun 1965
E07
Space Weather
25 Jun 1965
E08
Communicating with Other Worlds
23 Jul 1965
E09
Mars in Shot
20 Aug 1965
E10
Re-thinking the Universe
17 Sep 1965
E11
Ninety-Eight Inches
08 Oct 1965
E12
The Unsteady Universe
05 Nov 1965
E13
The Extra Planet
03 Dec 1965