Following the lives of three climbers & their families. Ioan Doyle, Dai Lampard, & Bob Brewer head back to 6930m mountain that is K7 for the fourth attempt at a world first route.

Wrth i’r tri dringwr o Gymru, Ioan Doyle, Dai Lampard a Bob Brewer fentro dringo llwybr newydd ar K7, byddwn yn dilyn eu taith a’u teuluoedd wrth iddynt geisio am y 6930m copa.

Broadcast date TBC