Catrin Beard sy'n chwilio am y tîm mwyaf gwybodus mewn cwis di-lol. Catrin Beard searches for the most knowledgeable team in this no-nonsense quiz.
Discover 11,128,835 listings and 279,743 playable programmes from the BBC
Catrin Beard sy'n chwilio am y tîm mwyaf gwybodus mewn cwis di-lol. Catrin Beard searches for the most knowledgeable team in this no-nonsense quiz.
Ail wasanaeth BBC Radio Cymru sy'n cynnig sioe frecwast bob bore'r wythnos.
