In our What If? scenario Alexander is able to outlast the fever and is ready to launch his next campaign. The target? The Mediterranean shipping empire of Carthage. If he is successful, he will rule more than 60 percent of the Mediterranean coastline and capture a monopoly on global commerce, shipping, and trade. The world’s economy hangs in the balance.

In this episode, we will look back through time, on the 20th anniversary, at missed signals that led to the unimaginable tragedy of September 11th, 2001. And we will look at the heroes who prevented a greater tragedy on that day. We will also ponder a history in which the terrorist threat is extinguished before the horrific attack. And as result, the lives of millions of men, women, and children in the Middle East, Africa, and Asia are altered forever.

In our What If? scenario, Herod’s well-trained navy, and formidable army bolster Antony’s legions and Cleopatra’s ships to swing the tide of battle. And leading the navy to victory would be an athletic, tall, 17-year-old commander Caesarion, the progeny of one of Rome’s greatest military leaders, and Julius Ceasar’s only biological son.

In our What If? scenario both Hamilton and Burr throw their shots wide and spare the possibility of wounding one another. In a rare show of congeniality between two bitter rivals, the men quietly shook hands and acknowledged an end to hostilities. Perhaps Hamilton will never know how close he came to an agonizing death, but the new timeline will deliver significant changes to the direction of the United States.

In this episode, we will look at Wilbur and Orville Wright’s relentless pursuit of powered flight. And we ponder a history in which Orville Wright does not survive a crash. As a result, a brilliant, driven member of the Wright family, their sister Katharine, will make history and keep America on track to maintain aerial superiority.

In this episode, we will look at the Cuban Missile Crisis. And we ponder a history in which Russian nuclear missiles are in fact planted 90 miles from US borders. Only a daring and dangerous midnight raid will stave off nuclear holocaust and a third world war.

In this episode we will look at the Louisiana Purchase, which doubled the size of the United States in 1803. And we will ponder a history where Louisiana is assimilated, not by treaty, purchase or annexation, but by force. And in the process the fledgling United States Army must fight the European powers on native soil to unite the country from coast-to-coast.

We will look at the rise and untimely death of Attila the Hun. And we will ponder his death at the ancient age of 65, not from a drunken stupor and a bloody nose. Instead he will die in his bed, in Rome. And with his extended life, millions more would die under the sword of his army and much of Europe would fall under his rule.

In this BONUS episode, Mark interviews Killing Hitler author Roger Moorhouse. They discuss the failed assassination plots, Hitler's somewhat lax security, and the possible aftermath of a "successful" assassination. Plus, Moorhouse discusses his approach to finding history's forgotten heroes, villains and events.

We will detail a successful plot to assassinate Adolph Hitler at his Wolf’s Lair headquarters on July 20. And we will muse how his death would save 10 million lives and lower the heat of the coming Cold War.

The Union suffers a devastating defeat, but a brilliant general and future president, Ulysses S Grant takes over the entirety of the war effort. And believe it or not, Lee’s success at Gettysburg will lead to a quicker defeat of his forces and a shorter end to the Civil War.

What If the Vikings grew their settlements over the first five centuries here. What If they ultimately grew their presence to 30,000 or more in warmer areas like New York, Massachusetts, or even the Carolinas?

Instead of sleeping the crucial morning away, Hitler is awake and reacting to the landings along the Normandy coast. He utilizes nine Panzer divisions to drive a wedge in the beachhead and turn the course of D-Day as we know it.