Season 3 Episodes30
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Ranked #12 of 30 in Season 3•matches the season avg
When an alien ship crashes in Numberland, the Numberblocks decide to help the alien get back home. The alien can create lots of blocks like the Numberblocks, so they build a tower into the sky.
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"Building Blocks" is episode 8 of Numberblocks season 3. It scored 8.0/10 from 18 votes, ranking #12 of 30 episodes this season (season average 8.0). It aired on September 25, 2018.