Season 5 aired between 04 Jan 1978 and 28 Jun 1978, 21 episodes.
Episodes
E01
In the Event of Catastrophe
04 Jan 1978
E02
The Green Machine
11 Jan 1978
E03
Blueprints in the Bloodstream
18 Jan 1978
E04
One Small Step (1)
25 Jan 1978
E05
The Final Frontier (2)
01 Feb 1978
E06
BaMiki BaNdula: Children of the Forest
15 Feb 1978
E07
Trial of Denton Cooley
22 Feb 1978
E08
The Great Wine Revolution
01 Mar 1978
E09
The Case of the Ancient Astronauts
08 Mar 1978
E10
The Mind Machines
22 Mar 1978
E11
Icarus' Children
29 Mar 1978
E12
Still Waters
12 Apr 1978
E13
Battle for the Acropolis
19 Apr 1978
E14
The Road to Happiness: The Life and Times of Henry Ford
03 May 1978
E15
Light of the 21st Century
10 May 1978
E16
Insect Alternative
24 May 1978
E17
The Desert's Edge
31 May 1978
E18
The Tse Tse Trap
07 Jun 1978
E19
Memories from Eden
14 Jun 1978
E20
A Whisper from Space
21 Jun 1978
E21
Alaska: The Closing Frontier
28 Jun 1978