In the Surgery we have this electric shock game where if you're too slow, you cop a shock. Who has the quicker reaction?
How well does Calum Hood from 5 Seconds of Summer know his band member Ashton Irwin? Well it's time to find out.
Should Calum get the answer wrong he'll feel the wrath of The Buzzers of Death.
Keep listening to Smallzy's Surgery on Nova because next Thursday (6th July) Michael Clifford, Luke Hemmings, Ashton Irwin and Calum Hood will join Smallzy in Smallzy's Surgery and lets just say, the boys will bring their instruments!