Barney Walsh reveals why he was "genuinely concerned" for his dad's health while filming new show

Bradley Walsh and his son Barney have been taking on America in their latest show 'Breaking Dad' and while everything looks like a lot of fun, it has taken a toll.

While the father and son duo were visiting a space centre, they decided to have a go at centrifuge training, something that is used to prepare astronauts for space.

The simulator recreates the extreme gravitation forces that astronauts would experience on take off, but not everyone can handle it.

Barney goes first, and while he didn't pass out, it didn't look like he had enjoyed himself as he tells Bradley that he's not going to like it.

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While Barney is in the machine, the voiceover explains the risks of it: The risk of losing vision or consciousness at high G are in directly in proportion to an individual's age and fitness – none of which are working in Brad's favour." 

Watch the clip here:

As Barney trades places with his father, he mentions how he might've overstepped the line this time: "I'm genuinely worried that I've taken this too far."

Brad ends up surviving the ordeal and doesn't even pass out - but check out his cheeky gesture once it's finished in the video above.

You can watch Breaking Dad for yourself here.