About this showing of Colourblocks
Red and Blue compete to colour a castle and meet new arrival Purple. Discover what happens when you mix red and blue.
Previously on TV
Colourblocks
The Uncoloured Castle
Previously shown on CBeebies on Tue 8 Sep 2026 at 06:35.
This showing has ended
This showing was on CBeebies at 06:35 on Tue 8 Sep 2026. See future airings below or open the main programme page for the latest TV times.
Airing details
ChannelCBeebies
StartsTue 8 Sep 2026, 06:35
EndsTue 8 Sep 2026, 06:40
Episode / edition: The Uncoloured Castle
Next showing of Colourblocks
The next currently listed showing is Wed 9 Sep 2026, 06:35 on CBeebies.
See all current showings