Season 1 · Episode 99
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A Deep Deep Secret
Sat, Dec 19, 1964
Colon-bu-bu, the explorer of the underground state of Chombo, heads for the ground hoping to see a new world. Then he meets Cobalt and takes him underground as prisoner.
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Sat, Dec 19, 1964
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Astro Boy
193 episodes
Episode
S1 · E99
in Astro Boy
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S1 · E100
The Wonderful Christmas Present
Sat, Dec 26, 1964