They wrestle alligators. The wade in snake infested water. They defy death at every turn. Makes sense that they would get in a wreck and not get hurt! Other than a whole lot of "Swamp People" merchandise being scattered all over the road, they came out none the worse for wear.
The accident happened when two of the "Swamp People" stars were stopped for a highway flagman on U.S. 71 in Arkansas.