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Season guide

Rainbow: Season 1

50 episodes Premiered Oct 16, 1972 Updated Jul 19, 2026
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Season 1 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 1 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 1: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

94%
Mytharc (3): Crucial lore & season climaxes
Core (47): Character development & subplots
Side Quest (0): Standalone / filler
S1·E1 Mytharc

Shapes

Oct 16, 1972

Very first episode - very different to what the show later became. All the well known cast are not here (and did not arrive until 1974). The only recognisable puppet at this point

S1·E3 Core

Houses

Oct 18, 1972

S1·E5 Core

Trains

Oct 20, 1972

S1·E8 Core

Boats

Oct 25, 1972

S1·E9 Core

Land

Oct 26, 1972

S1·E10 Core

Clothes

Oct 27, 1972

S1·E11 Core

Touch

Oct 30, 1972

S1·E13 Core

Work

Nov 1, 1972

S1·E14 Core

Books

Nov 2, 1972

S1·E19 Core

Trees 1

Nov 10, 1972

S1·E21 Core

Autumn

Nov 14, 1972

S1·E22 Core

Shoes

Nov 15, 1972

S1·E23 Core

Flowers

Nov 16, 1972

S1·E24 Core

Illness

Nov 17, 1972

S1·E25 Core

Music 1

Nov 20, 1972

S1·E27 Core

Work 2

Nov 23, 1972

S1·E29 Core

Sleep

Nov 24, 1972

S1·E30 Core

Sounds

Nov 27, 1972

S1·E32 Core

Family

Nov 29, 1972

S1·E33 Core

Water 1

Nov 30, 1972

Zippy throws a wet sponge at Bungle but hits David by accident. Zippy tells Bungle that a wet sponge is heavier than a dry sponge and David and Bungle find out if he's right.

S1·E36 Core

Birds

Dec 5, 1972

S1·E37 Core

Post

Dec 6, 1972

S1·E38 Core

Fish

Dec 7, 1972

S1·E40 Core

Smell

Dec 11, 1972

S1·E42 Core

Fireman

Dec 13, 1972

S1·E43 Core

Sky

Dec 14, 1972

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