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Ty Tredegar
Mae criw o bobl ifanc wedi eu 'carcharu'. Allan nhw ddod o hyd i'r allwedd gywir er mwyn dianc? A group of youngsters are trapped in Tredegar House. Can they escape from Dan Glo?
Darllediad diwethaf
Gwen 9 Medi 2016
17:15