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Ble Mae'r Ystlumod?
Mae'r ystlumod sy'n nythu yn nho sied Tad-cu wedi mynd ar goll! Gall Ger ddod o hyd iddyn nhw? The bats that nest in Tad-cu's shed each year are missing. Can Ger find them?
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Dydd Mawrth
07:30