Catrin Beard sy'n chwilio am y cystadleuydd mwyaf gwybodus mewn cwis di-lol. Catrin Beard searches for the most knowledgeable contestant in this no-nonsense quiz. Show more
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Catrin Beard sy'n chwilio am y cystadleuydd mwyaf gwybodus mewn cwis di-lol. Catrin Beard searches for the most knowledgeable contestant in this no-nonsense quiz. Show more