After gushing about his ultimate fandom and telling the actor the he is the "greatest action star", Karl launched into a tirade of Arnie quotes, complete with a pretty convincing Austrian accent.
The Terminator didn't miss a beat, jumping on Karl's enthusiasm and pulling out his favourite one liners.
"It could go on all day," laughed Karl, as onlooker and co-host Lisa Wilkinson awkwardly tried to segue to another topic.
What is your favourite Arnie quote? Tell us in the comments section!
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