Series 13 poster

Series 13

32 episodes January 1, 1974

Episodes

1 Coils and Springs Jan 1, 1974 No ratings 2 Opposites Jan 8, 1974 No ratings 3 Signs and Signals Jan 15, 1974 No ratings 4 Ghosties and Ghoulies Jan 22, 1974 No ratings 5 Triangles Jan 29, 1974 No ratings 6 Waves Feb 5, 1974 No ratings 7 Food Feb 12, 1974 No ratings 8 Windows Feb 19, 1974 No ratings 9 Drips and Drops Feb 26, 1974 No ratings 10 Humps and Lumps Mar 5, 1974 No ratings 11 Air Mar 12, 1974 No ratings 12 Growing Mar 19, 1974 No ratings 13 Bags Mar 26, 1974 No ratings 14 Spikes Apr 2, 1974 No ratings 15 Episode 15 Apr 9, 1974 No ratings 16 Circles Apr 16, 1974 No ratings 17 Reflections Dec 31, 1974 No ratings 18 Episode 18 Jan 14, 1975 No ratings 19 Episode 19 Jan 21, 1975 No ratings 20 Episode 20 Jan 28, 1975 No ratings 21 Building Feb 4, 1975 No ratings 22 Episode 22 Feb 11, 1975 No ratings 23 Space Feb 18, 1975 No ratings 24 Games Feb 25, 1975 No ratings 25 Episode 25 Mar 4, 1975 No ratings 26 Episode 26 Mar 11, 1975 No ratings 27 Episode 27 Mar 18, 1975 No ratings 28 Dark and Light Mar 25, 1975 No ratings 29 Litter Apr 1, 1975 No ratings 30 Zigzags Apr 8, 1975 No ratings 31 Episode 31 Apr 15, 1975 No ratings 32 Wood Apr 22, 1975 No ratings