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Oi! Osgar
Anturiaethau Oscar y fadfall a'i ffrindiau yn yr anialwch chwilboeth. A cartoon following the adventures of Oscar and friends in the arid desert - as they try not to die of boredom!
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’Dyw’r rhaglen yma ddim ar gael ar BBC iPlayer ar hyn o bryd
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Dim darllediadau i ddod
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