In the summer of 1863, General Robert E. Lee leads the Confederate Army of Northern Virginia into Gettysburg, Pennsylvania with the goal of marching through to Washington, D.C. The Union Army of the Potomac, under the command of General George G. Meade, forms a defensive position to confront the rebel forces in what will prove to be the decisive battle of the American Civil War.

In 2176, a Martian police unit is sent to pick up a highly dangerous criminal at a remote mining post. Upon arrival, the cops find the post deserted and something far more dangerous than any criminal — the original inhabitants of Mars, hellbent on getting their planet back.

A Mississippi district attorney and the widow of Medgar Evers struggle to bring a white supremacist to justice for the 1963 murder of the civil rights leader.

A group of World War II American soldiers encounter a supernatural enemy as they occupy a French castle previously under Nazi control.

Take a spooky trip with Debbie Rochon and Sebrina Siegel into Tennessee's bloody and violent haunted history, from Civil War skirmishes to entertainment-industry tragedies. Through tales of spectral encounters, meet The Bell Witch, Old Green Eyes, The Lady In White, and more. Based on the best-selling book "Tennessee Ghosts" by Jim O'Rear and featuring special appearances from country music legends such as Mel Tillis, Lorrie Morgan, and Little Jimmy Dickens.

Take a spooky trip with Debbie Rochon and Sebrina Siegel into Tennessee's bloody and violent haunted history, from Civil War skirmishes to entertainment-industry tragedies. Through tales of spectral encounters, meet The Bell Witch, Old Green Eyes, The Lady In White, and more. Based on the best-selling book "Tennessee Ghosts" by Jim O'Rear and featuring special appearances from country music legends such as Mel Tillis, Lorrie Morgan, and Little Jimmy Dickens.

In the midst of the Civil War, President Lincoln went to Gettysburg. "The Gettysburg Address" investigates the five extant copies of Lincoln's famous speech, separating fact from fiction along the way. Lincoln's greater journey to Gettysburg is chronicled, from his early anti-slavery sentiments as a poor farmer's son to his rousing orations as one of America's greatest leaders.

Katherine is a Ghost of Christmas Present and she must help one soul, Peter, rediscover his Christmas spirit. But this year has something unusual in store.