Nick Maher says he feared the worst when he heard of his son's accident.
A Laois man is taking part in Ireland's Fittest Family - 15 months after a twenty-five foot fall while on holiday in Croatia.
Twenty one year old Fionn Maher was left with a broken kneecap after the incident but has recovered to take part in the competition alongside his father and two sisters.
The family are tackling the hell and back challenge on the RTE show this weekend.
Fionn's father Nick Maher says he is the one who takes the initiative: