On The Jonathan Ross Christmas Show tonight, Bradley discusses filming with son Barney but also why thoughts of his own mortality have hit home.
During filming for the last series, the duo went to a rodeo and ended up on a bull.
But Bradley came off and hit the floor “like a sack of potatoes” and broke his back in three places.
“Two days after - I promised his mum I’d look after him on the tour - I’m trying to climb an ice mountain,” he said.
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Bradley Walsh health: The star confronted his own mortality after a nasty fall (Image: GETTY)