In this episode, OO is on the moon.


O doubles up and sticks together, becoming digraph OO. M and N come to them.

m-oo-n, MOON!

Then they end up on the moon.

m-oo, MOO!

A cow jumps over the moon. Then M runs off. N warns him not to eat the moon, but it's too late. The bitten part falls off, making the moon crescent, and M and N fall off. Now, B, F, H, L, and T end up on the moon.


  • FOOL - F fools OO and L.
  • FOOT - The foot smells stinky.
  • HOOF - A hoof steps on the moon.
  • HOOT - OO hoots like an owl.
  • TOOL - A wrench fixes a star.
  • BOOT (star word) - A boot kicks the moon away, sending B, F, H, L, OO, and T down on the ground.

b-oo, BOO!

The Alphablocks, except OO, run away. OO shrugs, and then they all shout "BOO!", making O single again.

Unusual word


Characters (in their order of appearance)


  • OO


  • Moon
  • Foot
  • Hoot
  • Tool (game only)
  • Fool (game only)
  • Hoof (game only)
  • Boot
  • Boo


  • This is the only episode where a real word is sounded out incorrectly (FOOT is pronounced as /fuːt/ instead of /fʊt/).
  • B and H only say their sound.
  • The cow jumping over the moon is a reference to the nursery rhyme Hey Diddle Diddle.
  • A, C, D, E, G, I, J, K, P, Q, R, S, U, V, W, X, Y and Z are absent in this episode.


  • OO: O!
    • M: We're on the moon!
    • N: No way!
  • N: No!
    • M: My oh my!
    • OO: Uh, Oh!
  • L: Lovely. How do we get home?
  • B, F, H, L, AND T: BOO!
    • O: O-o-o-o-o!

Alphablocks episodes
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