Caillou is a Canadian show that ran from 1997 until 2010, but there was a Welsh dub called Caio that aired on the Cyw block on S4C, Not much information is found online except a Wikipedia Page, when it air, or a BBC Program page because BBC didn't purchase S4C until 2014, BBC previously aired the Scottish Gaelic dub of Caillou on BBC Two Scotland.

Caillou (Lost Welsh Dub)
Status Lost

Evidence

Nothing yet.

Community content is available under CC-BY-SA unless otherwise noted.