Gwylio 17 o ffilmiau gwael am siarcod mewn 24 awr ydi'r her i Arfon Jones, sy'n hel arian at achos da. Arfon Jones explains why he plans to watch 17 trashy shark films in 24 hours. Show more
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Gwylio 17 o ffilmiau gwael am siarcod mewn 24 awr ydi'r her i Arfon Jones, sy'n hel arian at achos da. Arfon Jones explains why he plans to watch 17 trashy shark films in 24 hours. Show more
Ail wasanaeth BBC Radio Cymru sy'n cynnig sioe frecwast bob bore'r wythnos.
