'Well when you're on Uluru, you can't see it, you just look at the outside of it.'
The pair then argued about the wrongs and rights of climbing various objects around the world – most of them man-made and with no cultural sensitivities.
Karl then responded by ‘joking’ that Steve was a racist.
'I think you're a disgrace Steve Price for your comments this morning, you're racist,' he said, apparently light heartedly.
Taking a more serious tone, the host then explained why climbing the rock was a very poor choice.
'I have no desire to climb it, I fully respect the significance of it, it's not our place to climb,' he said.
'And secondly I have no desire to climb it because it's so hot out there, there are that many flies.'
Price in turn dismissed the very valid reasons as being 'a bit PC'.
'I have had a lot of time off to think about these things and I'm not PC,' Karl quipped.