Dennis a Dannedd Penodau Ar gael nawr
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Dannedd Dannedd—Cyfres 2
Hwyl a sbri gyda'r direidus Dennis a Dannedd. Fun and games with the mischievous Dennis...
![](https://ichef.bbci.co.uk/images/ic/320x180/p091n67r.jpg)
Helfa Blamjitsw—Cyfres 2
Hwyl a sbri gyda'r direidus Dennis a Dannedd. Fun and games with the mischievous Dennis...
![](https://ichef.bbci.co.uk/images/ic/320x180/p090067d.jpg)
Pennod 26—Cyfres 1
Hwyl a sbri gyda'r direidus Dennis a Dannedd. Fun and games with the mischievous Dennis...
![](https://ichef.bbci.co.uk/images/ic/320x180/p090067d.jpg)
Helyntion Hwchog—Cyfres 1
Hwyl a sbri gyda'r direidus Dennis a Dannedd. Fun and games with the mischievous Dennis...
![](https://ichef.bbci.co.uk/images/ic/320x180/p090067d.jpg)
Gwyliau Amserol—Cyfres 1
Hwyl a sbri gyda'r direidus Dennis a Dannedd. Fun and games with the mischievous Dennis...
![](https://ichef.bbci.co.uk/images/ic/320x180/p090067d.jpg)
Deiamwntiau am Byth—Cyfres 1
Beth mae Dennis a'i gi Dannedd wrthi'n gwneud y tro hwn? What is Dennis and his naughty...
![](https://ichef.bbci.co.uk/images/ic/320x180/p090067d.jpg)
Gofyn Wyf am Glon Hapus...—Cyfres 1
Hwyl a sbri gyda'r direidus Dennis a Dannedd. Fun and games with the mischievous Dennis...