It looked promising when Kolisi was dancing through the Argentinian defence early on.
But Los Pumas hit back with an uncharacteristically disciplined performance to seal a handsome victory in Mendoza.
Delguy scored twice, before Sanchez and Moyano added the others in an impressive display for the South Americans.
Mapoe's second half double wasn't nearly enough for the Springboks.
That's all from us, we'll see you for more Rugby Championship action in a fortnight!