"Even if that unknown event happens, it won't lead to the chaos that many seem to be expecting," the "Mad Money" host said.
The last time Cramer went through a possible Europe break-up was when Greece, Ireland, Spain, Portugal and Italy were threatening to default on their debt in 2011. That situation would have been felt all over the world, though the European central bank was ready for the worst.
"If the U.K. leaves the European Union, it will be dealt with. Whatever happens, it likely won't drag out the way Greece did," Cramer said.
He expects the pajama traders to come out of the woodwork, of course, which means hedge funds will trade in lockstep with Europe. However, even if the U.K. voted to leave, it won't break-up the euro. This isn't as bad as the European debt crisis.