When did Numberblocks Season 8 Episode 12 air?
Numberblocks Season 8 Episode 12 aired on September 1, 2025.


The animated adventures of friends who can always count on each other.
Learn how much fun counting can be with the Numberblocks - a fun-loving group of numbers who work together to solve problems big and small.

It's the double doors challenge! How will the Numberblocks solve Fifteen's puzzles?
Direct answers for episode-level questions and details.
Numberblocks Season 8 Episode 12 aired on September 1, 2025.
This episode runs for approximately 5 minutes.
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