Max the Magician approached the 2 seated college kids (without their mouths) and popped their heads off! He also pulled off their arms and yanked their legs off as well from their torsos. Max then reattached the disembodied arms and legs into the decapitated heads kind of like a defunct Mr. Potato Head.
The two oddities stumbled around the stage. They tried to reach down to feel for their bodies but they weren't there. They were still squirming in the chairs.
Harry's mouth, which was still placed on the woman's portrait yelled "Change us back!"
"Yeah! Change us back" agreed Nancy's mouth, which was on the mannequin.
Max looked at the 2 condensed students and said "Very well " He snapped his fingers and a flash of light and a puff of smoke
When it cleared