S4C

Cynefin: Codi Bwganod - Cynefin: Codi Bwganod: Poltergeist Porthmadog

Yr hanesydd a'r YouTuber, Jimmy Johnson, sy'n ymchwilio i straeon iasol Poltergeist Porthmadog. Historian & YouTuber, Jimmy Johnson, investigates further the Porthmadog Polterge...

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