Season 1991 aired between 20 Jan 1991 and 08 Dec 1991, 13 episodes.
Episodes
E01
Mars - The Red Planet
20 Jan 1991
E02
The Fastest Clocks In The Universe
17 Feb 1991
E03
Jupiter And Family
10 Mar 1991
E04
Bombardment From Space
31 Mar 1991
E05
Wanderers In Space
28 Apr 1991
E06
Guarding Their Secrets
26 May 1991
E07
Saturn - The Ringed Planet
30 Jun 1991
E08
Soviet Space Astronomy
28 Jul 1991
E09
The Pole Star
25 Aug 1991
E10
A Galaxy In Creation?
22 Sep 1991
E11
Hubble - A New View Of The Universe?
20 Oct 1991
E12
Nothing But Blue Skies?
17 Nov 1991
E13
The Strangest Planet
08 Dec 1991